Donald Trump-Kim Jong Un in Singapore for the historic summit

North Korea leader Kim Jong Un and US President Donald Trump during their first meeting at the Capella resort on Sentosa Island Tuesday, June 12, 2018 in Singapore. (Photo: AP)

President Donald Trump meets with North Korean leader Kim Jong Un on Sentosa Island, Tuesday, June 12, 2018, in Singapore. (Photo: AP)

US President Donald Trump, right, waves with North Korean leader Kim Jong Un at the Capella resort on Sentosa Island Tuesday, June 12, 2018, in Singapore. (Photo: AP)

North Korea leader Kim Jong Un and US President Donald Trump sign documents after their meetings at the Capella resort on Sentosa Island Tuesday, June 12, 2018 in Singapore. (Photo: AP)

US President Donald Trump holds up the document that he and North Korea leader Kim Jong Un just signed at the Capella resort on Sentosa Island Tuesday, June 12, 2018 in Singapore. (Photo: AP)

US President Donald Trump looks at North Korea leader Kim Jong Un after their document singing at the Capella resort on Sentosa Island Tuesday, June 12, 2018 in Singapore. (Photo: AP)

North Korea leader Kim Jong Un and US President Donald Trump walk with the documents they just signed at the Capella resort on Sentosa Island Tuesday, June 12, 2018 in Singapore. (Photo: AP)

US President Donald Trump and North Korea leader Kim Jong Un walk from lunch at the Capella resort on Sentosa Island Tuesday, June 12, 2018 in Singapore. (Photo: AP)

North Korea leader Kim Jong Un and US President Donald Trump stand side by side before their departures after meeting at the Capella resort on Sentosa Island Tuesday, June 12, 2018 in Singapore. (Photo: AP)

North Korea leader Kim Jong Un and US President Donald Trump shake hands at the conclusion of their meetings at the Capella resort on Sentosa Island Tuesday, June 12, 2018 in Singapore. (Photo: AP)