SEOUL, SOUTH KOREA - JULY 03:   In this handout photo released by the South Korean Presidential Blue House, Former U.S. President Barack Obama shakes hands with South Korean President Moon Jae-in during their meeting at the presidential Blue House on July 3, 2017 in Seoul, South Korea. Obama is in South Korea to attend anAsian Leadership conference in Seoul. (Photo by South Korean Presidential Blue House via Getty Images)