Attorney General William Barr, seen leaving his home on March 21, will determine how much of the Mueller report to release to Congress and the public. Win McNamee/Getty Images hide caption
President George H.W. Bush
Soviet President Mikhail Gorbachev (left) and former U.S. President George H.W. Bush share a light moment together outside the White House in 1990. Could they be discussing chicken? Ron Sachs/Consolidated News Pictures/Getty Images hide caption
Chicken Diplomacy: How President Bush Went For The Gut In The Former USSR
A military honor guard carries the casket of former President George H.W. Bush during the funeral at the National Cathedral in Washington, D.C. Cheryl Diaz Meyer for NPR hide caption
Members of the public view the casket containing former President George H.W. Bush's remains as he lies in state in the U.S. Capitol Rotunda on Monday night. Cameron Pollack/NPR hide caption
The U.S. flag flies at half-staff in honor of former President George H.W. Bush outside the Capitol in Washington, D.C., Monday. Top Hill leaders planned on a stopgap funding bill to avoid a partial shutdown at the end of the week. Alex Edelman/AFP/Getty Images hide caption
The flag-draped casket of former President George H.W. Bush lies in state in the Capitol Rotunda in Washington on Monday. Jonathan Ernst/AP hide caption
President George H.W. Bush and Russian President Boris Yeltsin toast to each other after signing an arms control treaty in January 1993 in Moscow. Bush skillfully cultivated relationships with both Yeltsin and his Soviet predecessor, Mikhail Gorbachev. David Ake/AFP/Getty Images hide caption
Flowers are laid at the base of the statue at the George Bush Presidential Library and Museum in College Station, Texas. Suzanne Cordeiro/AFP/Getty Images hide caption
President George H.W. Bush greets soldiers at Fort Stewart, Ga., after he addressed family members of the 24th Infantry Division stationed in Saudi Arabia and personnel at the facility in February 1991. Dennis Cook/AP hide caption
U.S. President George H.W. Bush speaks during a fundraiser in Dallas, on Nov. 1, 1991. Marcy Nighswander/AP hide caption
In 1986, President Ronald Reagan signed a major immigration law that offered amnesty to people in the country illegally who arrived prior to 1982. Barry Thumma/AP hide caption
President Trump and Vice President Pence watch as House Speaker Paul Ryan of Wis., greets former Sen. Bob Dole during a Congressional Gold Medal ceremony honoring Dole on Capitol Hill Wednesday. Evan Vucci/AP hide caption
Former President George H.W. Bush flipped the coin for the kickoff between the Detroit Lions and Houston Texans at NRG Stadium in Houston on Oct. 30, 2016. Bob Levey/Getty Images hide caption
Donald Trump hugs the American flag at a campaign rally in Tampa, Fla., on Oct. 24. Joe Raedle/Getty Images hide caption
Former president George H. W. Bush attends an NFL football game between the Houston Texans and Cincinnati Bengals, in Nov. 2014. Patric Schneider/AP hide caption
Festivalgoers browse for books during the Miami Book Fair International. PBS will provide live coverage of the fair's events over the course of three days this year. Roberto Schmidt/AFP/Getty Images hide caption
George H.W. Bush (left) congratulates his son George W. Bush as the two former presidents attend last year's dedication of the George W. Bush Presidential Center in Dallas. David J. Phillip/AP hide caption
Happy birthday, Mr. President. Bob Levey/Getty Images hide caption
Accepting the 2014 John F. Kennedy Profile in Courage Award on behalf of her grandfather former President George H.W. Bush, Lauren Bush Lauren, center, and fellow Award recipient Paul W. Bridges, the former mayor of Uvalda, Ga., right, hold the awards as they stand with Jack Schlossberg, left, grandson of President John F. Kennedy. Gretchen Ertl/AP hide caption
George H.W. Bush with Patrick, the two-year-old son of one of the members of his security detail. Office of George H.W. Bush hide caption
Former President George W. Bush speaks alongside former first lady Laura Bush during the opening ceremony of the George W. Bush Presidential Library and Museum on Thursday in Dallas. Kevork Djansezian/Getty Images hide caption
Former President George H.W. Bush in June. Michael Loccisano/Getty Images for HBO hide caption
Former President George H.W. Bush in September at the Ryder Cup golf match in Medinah, Ill. Mike Ehrmann/Getty Images hide caption