ABC News Special Report

We're coming on the air because the Supreme Court has just released a major decision involving President Trump's tariff policies and whether the President exceeded his authority with sweeping reciprocal tariffs on other nations, the centerpiece of his economic agenda. Let's get right to ABC's senior Washington correspondent Devin Dwyer, who covers the Supreme Court for us. Devin, your thoughts here. 

Live from The United States Capitol Building on Capitol Hill, Washington, D.C., United States.

Live

Special reports covering the transport of the 39th president of the United States, Jimmy Carter (1924-2024) to the U.S. Capitol to lie in State.

9:30 a.m. President Carter's remains arrive at the Washington National Cathedral, where a brief arrival ceremony is held. 10 a.m. The National Funeral Service for President Carter takes place. 11:15 a.m. Upon conclusion of the funeral service, President Carter and his family will travel by motorcade to Joint Base Andrews.

President Joe Biden will give his last Oval Office address as he prepares to hand over power to President-elect Donald Trump and exit politics after a decadeslong career.

President Donald Trump addresses a joint session of Congress.

Exploring the last days of beloved actor Gene Hackman and his wife, Betsy Arakawa, after they were mysteriously found dead in their New Mexico home.

The special looks at the legacy of Pope Francis, the leader of the Roman Catholic Church who was elected in 2013 as the first ever pope from Latin America, and documents his life from childhood to a young priest, through his papacy, and both the issues he challenged and those which challenged him, including the longstanding cover-up of abuse in the Catholic Church. It examines a pope known for his humility and considered to be a modern and accessible leader who reached out to people of disparate faiths and backgrounds, opening the Church to the way people live today. The special also spotlights how he questioned ideas, looking for places where he felt he was particularly needed, from immigration to women in the church to the treatment of the gay community and climate change.

ABC News announces the exclusive, first television interview with President Donald J. Trump on his 100th day in office. Senior national correspondent Terry Moran will conduct the interview with the president from the Oval Office, which will air as a primetime special

Special, comprehensive coverage of the papal conclave and installation of the new pope.

New pope selected: White smoke has risen above the Sistine Chapel, the signal that cardinals have chosen a new pope on the second day of the conclave. His identity, and the name he will take as pontiff, will be revealed soon. Cardinal Robert Francis Prevost has been selected as the 267th pope in history. He is the first American to serve in the role and chooses the name Leo XIV. 

The U.S. attack on Iran's nuclear sites was a complex mission that used decoy bombers and "misdirection" to carry out the secret operation, Defense Secretary Pete Hegseth said at a news conference Sunday morning.Joint Chiefs of Staff Chairman Gen. Dan Caine, standing with Hegseth, said the mission was a "complex and high-risk mission" that was known to only a few people and relied on decoys to protect the integrity of the mission.Decoy B-2 stealth bombers flew over the Pacific toward Guam on Saturday to draw attention away from the mission, Caine said. News reports at the time reflected the movements.

Trump and Russian President Vladimir Putin met in Alaska on Friday and while Putin mentioned an "agreement" in the post-meeting news conference and Trump said "great progress" was made, there was no mention of a ceasefire.

A federal judge has dismissed the criminal cases against former FBI Director James Comey and New York Attorney General Letitia James, on the grounds that the appointment of the U.S. attorney who brought the indictments was invalid.The judge dismissed the charges without prejudice, meaning the Justice Department can attempt to indict them again.

Following the tragic news of the deaths of Rob Reiner and Michele Singer Reiner, the one-hour special tells the story of the life of the beloved director, producer and actor and his wife, a photographer, producer and writer known for her work in documentary and political activism. The special provides a detailed look at the investigation into the killings and the impact Reiner had on television and film history, from his starring roles in "All in the Family" to directing hits such as "This Is Spinal Tap," "A Few Good Men" and "When Harry Met Sally."The timely special will share the latest on the arrest of the couple's son, Nick Reiner, who was taken into custody on Sunday night after the Reiners were found dead in their Brentwood home and booked on suspicion of murder in the deaths of his parents as of Monday. At the time of this release, Nick has not yet entered a plea. Nick's long history of addiction brought father and son to work together in 2015 on the family drama "Being Charlie," about the challenges their family faced. Nick co-wrote the script while Rob directed the film.The special includes interviews with actor Corey Feldman, who starred in Reiner's film "Stand By Me," as well as ABC News contributor Chris Connelly and ABC News contributor and journalist Larry Hackett.

President Donald Trump addresses the nation.

"THE YEAR: 2025" features this past year's breakout stars, heroes and changemakers who dominated global headlines and our social media feeds, and includes interviews with musicians The Jonas Brothers and Luke Bryan, WNBA champion A'Ja Wilson, "KPop Demon Hunters" voice actor Ji-young Yoo, "Sinners" star Miles Canton, fashion designer Christian Siriano,"Dancing with the Stars" Mirrorball champion Robert Irwin and finalist influencer Alix Earle, comedian Robby Hoffman, "Secret Lives of Mormon Wives" stars Whitney Leavitt and Jessi Draper, podcasters Amanda Hirsch, Paige DeSorbo and Hannah Berner and additional cultural figures who helped define 2025.With moments caught on camera, political upheavals, unexpected scandals and the heroes and changemakers whose stories inspired millions, "THE YEAR: 2025" captures it all, from major international events, including the ongoing conflicts in the Middle East and Eastern Europe, to the historic election of the first American pope and the political unrest and policy battles in the U.S. The special revisits the catastrophic California wildfires and Texas floods and the court cases that gripped the nation, from Karen Read to Sean "Diddy" Combs. "The Year" also looks at the celebrity romances and breakups that fueled headlines, including Taylor Swift and Travis Kelce's surprise engagement, and spotlights breakout stars like Doechii, who made history at the GRAMMYS®, and the record-breaking season of "Dancing with the Stars." Viewers will revisit the pop-culture obsessions and viral moments that defined the year, from Labubus to the year's most confounding catchphrase, "six-seven."

Pre-debate coverage and analysis.

President Joe Biden and former President Donald Trump debate in Georgia.

President Biden's decision to end his bid for a second term as president of the United States. 

Vice President Kamala Harris and former President Donald Trump debate in Philadelphia at the National Constitution Center. 

Counting down to the vice presidential debate between JD Vance and Tim Walz.

Vice presidential hopefuls Tim Walz and JD Vance debate.

Coverage of the 2024 presidential election.

Celebrities, comedians, newsmakers and the ABC News team look back on the biggest news and pop culture moments of 2024 in this annual special.

President Donald Trump addresses a joint session of Congress followed by commentary and summation by ABC News staff.

On two consecutive nights in 1969, followers of cult leader Charles Manson kill seven people, including eight -month pregnant actress Sharon Tate; interviews with Manson, and former cult members Leslie Van Houten and Patricia Krenwinkel.

Martin Bashir hosts a look at the events of the 100 days leading up to Princess Diana's untimely death.

A review of memorable moments from 2015, including Pope Francis's historic visit to the U.S., the U.S. Supreme Court's ruling on marriage equality, and celebrity breakups; anchored by Robin Roberts.