Democratic candidates dump on Trump over North Korea meeting

U.S. candidates running for the 2020 Democratic presidential nomination on Sunday criticized President Donald Trump's latest overture to North Korean leader Kim Jung Un, saying the leaders' meeting lacked substance and elevated a ruthless dictator.The Republican Trump became the first sitting U.S. president to step into North Korea on Sunday, drawing on his penchant for showmanship and surprise to pull off talks with Kim in the Demilitarized Zone that divides the two Koreas.The meeting, at Trump