President Bill Clinton presents former President Jimmy Carter with the Presidential Medal of Freedom at the Carter Center in Atlanta August 9, 1999. Clinton also presented the award to Carter's wife Rosalynn (C).

WM/SV

Former President Jimmy Carter (L) kisses his wife Rosalynn after addressing
a press conference in Plains, Georgia, October 11, 2002. Earlier in the day,
Carter was awarded the Nobel Peace Prize for his quest for democracy and
human rights. REUTERS/Tami Chappell

TLC/SV

Nobel Peace Prize winner and former U.S. President Jimmy Carter greets
a torchlight procession from the balcony of the Grand Hotel in downtown
Oslo, December 10, 2002. Carter appeared prior to the Norwegian Nobel
Committee's Banquet on Tuesday evening. (DENMARK/SWEDEN/NORWAY OUT) (NO
AGENCY SALES) REUTERS/SCANPIX/Erlend Aas

KM

Former U.S. President Jimmy Carter and Cuban President Fidel Castro (R) listen to the Cuban national anthem at the baseball stadium "Latinoamericano" in Havana, May 14, 2002. [Carter's visit, the most important by an American since President Fidel Castro took power in a 1959 revolution, is an attempt to bridge four decades of Cold War feuding between Washington and Havana.]

A Cuban woman gives flowers to former U.S. President Jimmy Carter
during a reunion with Cuban church leaders in "Martin Luther King"
center in Havana on May 15, 2002. Carters visit, the first of an
American president since President Fidel Castro took power in a 1959
revolution, is an attempt to bridge four decades of Cold War feuding
between Washington and Havana. REUTERS/Daniel Aguilar

DA/SV

Former U.S. president Jimmy Carter speaks to a hometown crowd in front of his former campaign headquarters as Fred Boyles, superintendant of the Jimmy Carter Historic site looks on (R), during a transfer of the Plains depot property in Plains, Georgia on October 11, 2002. Carter received the Nobel Peace Prize earlier in the day.

Former U.S. President Jimmy Carter and his wife Rosalynn Carter wave to the crowd after Jimmy Carter's speech before the 2004 Democratic National Convention, July 26, 2004 at the FleetCenter in Boston. The convention to officially nominate candidate John Kerry got underway with speeches by former Presidents Bill Clinton and Carter and former Vice President Al Gore, among many others. REUTERS/Brian Snyder US ELECTION HB/

Former U.S. presidents Jimmy Carter (L) and Bill Clinton attend the Billy Graham Library Dedication on the campus of the Billy Graham Evangelistic Association in Charlotte, North Carolina May 31, 2007 . REUTERS/Chris Keane (UNITED STATES)

Former President of South Africa, Nelson Mandela (L) shakes hands with the former U.S. President, Jimmy Carter during a ceremony marking his 89th birthday in Johannesburg, July 18, 2007. Mandela was to unveil the group of elder statesmen including former U.S. President Jimmy Carter, former U.N. Secretary General Kofi Annan and former Irish President Mary Robinson at a news conference in Johannesburg. REUTERS/Siphiwe Sibeko (SOUTH AFRICA)

Former U.S. President Jimmy Carter (R) from the Elders Group waves to internally displaced women at a water point in Kebkabiya town in North Darfur October 3, 2007. Carter had a heated exchange with Sudanese security who prevented him from visiting a Darfur tribal leader in Kebkabiya town on Wednesday. REUTERS/Mohamed Nureldin Abdalla (SUDAN)

Former U.S. President Jimmy Carter attends the starting day of the 24th Jimmy Carter Work Project in Los Angeles October 29, 2007. Carter on Monday urged the federal government to rescue millions of distressed subprime mortgage borrowers with a program that would help them keep up payments and avoid losing their homes. REUTERS/Mario Anzuoni (UNITED STATES)

Former US president Jimmy Carter is seen at the 2008 Democratic National Convention in Denver, Colorado August 26, 2008. U.S. Senator Barack Obama (D-IL) is expected to accept the Democratic presidential nomination at the convention on August 28. REUTERS/Chris Wattie (UNITED STATES) US PRESIDENTIAL ELECTION CAMPAIGN 2008 (USA)

Former U.S. President Jimmy Carter speaks during a Reuters interview in La Paz May 1, 2009. Carter is in Bolivia to give a conference about democracy. REUTERS/David Mercado (BOLIVIA POLITICS HEADSHOT)

Former U.S. President Jimmy Carter stands in front of the controversial Israeli barrier during a visit to the West Bank village of Bilin near Ramallah August 27, 2009. Carter and members of the Elders, a group of eminent global leaders, are in the region for a four-day visit. REUTERS/Ammar Awad (WEST BANK POLITICS CONFLICT IMAGES OF THE DAY)

Former U.S. President Jimmy Carter smiles at a news conference at the National Palace in Santo Domingo October 8, 2009. Carter's non-profit foundation, the Carter Center, launched a joint Dominican Republic-Haiti program to eradicate malaria on Hispaniola Island within 10 years. Carter is expected to visit Haiti on Wednesday. REUTERS/Eduardo Munoz (DOMINICAN POLITICS SOCIETY)

Former U.S. President Jimmy Carter attends an interview with Reuters in Cairo January 12, 2012. Carter said on Thursday, after meeting Egypt's military rulers and political parties, the army was unlikely to surrender all of its powers by mid-2012, highlighting the potential for further power struggles. To match Interview EGYPT-USA/CARTER REUTERS/Amr Abdallah Dalsh (EGYPT - Tags: POLITICS)

(L-R) U.S. President Barack Obama, former president Jimmy Carter, first lady Michelle Obama and former president Bill Clinton wave from the steps of the Lincoln Memorial at the end of a ceremony marking the 50th anniversary of Martin Luther King Jr.'s "I have a dream" speech in Washington, August 28, 2013. REUTERS/Jason Reed (UNITED STATES - Tags: POLITICS ANNIVERSARY)

Former U.S. President Jimmy Carter and First Lady Rosalynn Carter arrive for the Presidential Inauguration of Trump at the U.S. Capitol in Washington, D.C., U.S., January 20, 2017. REUTERS/Saul Loeb/Pool

Former U.S. President Jimmy Carter delivers a lecture on the eradication of the Guinea worm, at the House of Lords in London, Britain February 3, 2016. REUTERS/Neil Hall