FILE - Outgoing President Jimmy Carter waves to the crowd at the inauguration of 40th President Ronald Reagan in Washington, Jan. 20, 1981. In the background, new Vice President George Bush, Reagan, Barbara Bush and first lady Nancy Reagan applaud. Next to Carter is outgoing Vice President Walter Mondale, and at far right, Reagan's son Ron applauds. (AP Photo, File)
FILE - Georgia state Sen. Jimmy Carter hugs his wife, Rosalynn, at his Atlanta campaign headquarters, Sept. 15, 1966. (AP Photo, File)
FILE - Former President Jimmy Carter and his wife Rosalynn, right, watch election workers prepare ballots at a polling station in Managua, Nicaragua, Feb. 25, 1990. The Carters are in Nicaragua to monitor the elections. (AP Photo/J. Scott Applewhite, File)
FILE - Former President Jimmy Carter, right, and Bosnian Serb leader Radovan Karadzic, left, speak during their meeting in the Bosnian Serb stronghold city of Pale, Bosnia, Dec. 19, 1994. After his previous successful missions in North Korea and Haiti, Carter is in former Yugoslavia to try and break the deadlock in Bosnia's peace talks. (AP Photo/Michel Euler, File)
FILE - Egypt's President Anwar Sadat, left, shakes hands with Israeli Prime Minister Menachem Begin as President Jimmy Carter watches at Camp David, Md., in September 1978, during talks aimed at laying the groundwork for a permanent Middle East peace. (AP Photo, File)
FILE - Former President Jimmy Carter, right, exchanges documents with Panamanian President Mireya Moscoso, Dec. 14, 1999, during a ceremony outside Panama City to transfer control of the Panama Canal to Panama after 85 years of American control on Dec. 31. (AP Photo/Tomas Van Houtryve, File)
FILE - Georgia Gov. Jimmy Carter waves to a crowd gathered in Atlanta, Dec. 12, 1974, where he announced that he is a Democratic candidate for the presidency. Carter promised to "restore integrity, confidence and businesslike management to the federal government." (AP Photo, File)
FILE - Former President Jimmy Carter works on a renovation of a tenement building in New York's Lower East Side neighborhood, Sept. 3, 1984. Carter, along with 50 other volunteers from Georgia, are working to build new homes for 19 families as part of the Habitat for Humanity project. (AP Photo/Mario Cabrera, File)
FILE - Jimmy Carter takes the oath of office as the 39th president of the United States at the Capitol in Washington, Jan. 20, 1977, as his wife Rosalynn holds the Bible. Chief Justice of the United States Warren Burger administers the oath while Sen. Howard Cannon of Nevada stands behind the Carters. (AP Photo, File)
FILE - President Jimmy Carter, left center, smiles as Soviet President and Party Chief Leonid Brezhnev, center, jokes around him outside the U.S. Embassy in Vienna, Austria, June 16, 1979, before they head for their second round of talks prior to the signing of the SALT II Treaty. (AP Photo, File)
FILE - South Koreans watch a TV news program showing former President Jimmy Carter arriving in Pyongyang, North Korea, at the Seoul Railway Station in Seoul, South Korea, Aug. 25, 2010. Carter arrived in the capital of communist North Korea on a private, humanitarian mission to bring home an American sentenced to eight years' hard labor for trespassing. The Korean letters on the screen read: "Visit of former U.S. President Jimmy Carter in North Korea." (AP Photo/Ahn Young-joon, File)
FILE - Former President Jimmy Carter, center, speaks to the media at the ruins of the American International School, which was destroyed during Israel's offensive in Gaza, in Beit Lahiya, northern Gaza Strip, June 16, 2009. Carter says he's trying to persuade Hamas leaders to accept the international community's conditions for ending its boycott of the Islamic militant group. (AP Photo/Khalil Hamra, File)
FILE - From left, President Barack Obama, former President Jimmy Carter, first lady Michelle Obama and former President Bill Clinton wave from the Lincoln Memorial in Washington during a celebration of the 50th anniversary of the March on Washington where Martin Luther King Jr. spoke, Aug. 28, 2013. (AP Photo/Charles Dharapak, File)