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Former U.S. President Jimmy Carter addresses a press conference, in Katmandu, Monday, April 1, 2013. Carter said that his Carter Center will observe the elections for Constituent Assembly in Nepal planned for later this year. (AP Photo/Niranjan Shrestha) ( Nepal Election Jimmy Carter )

Former US President Jimmy Carter (C) leaves after a press conference in Kathmandu on April 1, 2013. Carter is in Kathmandu on a four-day visit. PRAKASH MATHEMA/AFP/Getty Images ( 518581472 )

In this handout photograph released by The Nepalese President's Office on March 30, 2013, former US Presdident Jimmy Carter (L) shakes hand with Nepalese President Ram Baran Yadav (R) during a meeting at the office of the President in Shital Niwas in Kathmandu on March 29, 2013. Carter has arrived in Kathmandu on four day visit. AFP PHOTO / PRESIDENT'S OFFICE ( 518548102 )

Former US President Jimmy Carter (L) talks with Chairman of the Interim Election Government Khilraj Regmi during a meeting in Kathmandu on March 30, 2013. Carter has arrived in Kathmandu on four day visit. AFP PHOTO/Bhawor OJHASTR/AFP/Getty Images ( 518555291 )

Former US President Jimmy Carter (C) waves as he leaves a press conference in Kathmandu on April 1, 2013. Carter is in Kathmandu on a four-day visit. PRAKASH MATHEMA/AFP/Getty Images ( 518581358 )

Former US President Jimmy Carter addresses a press conference in Kathmandu on April 1, 2013. Carter is in Kathmandu on a four-day visit. PRAKASH MATHEMA/AFP/Getty Images ( 518581524 )

Former US President Jimmy Carter (C) leaves after a press conference in Kathmandu on April 1, 2013. Carter is in Kathmandu on a four-day visit. PRAKASH MATHEMA/AFP/Getty Images ( 518581424 )

Former US President Jimmy Carter (C) arrives for a press conference in Kathmandu on April 1, 2013. Carter is in Kathmandu on a four-day visit. PRAKASH MATHEMA/AFP/Getty Images ( 518581597 )