© AFP ED JONESWashington (AFP) - US President Donald Trump offered some backhanded praise for North Korean leader Kim Jong-Un, calling him "a pretty smart cookie" in a television interview that aired Sunday. Trump's almost admiring remarks came amid soaring tensions with North Korea over its missile and nuclear programs, with an alarmed Washington looking to China for help in reining in Kim. Trump said he had "no idea" whether Kim was sane or not, but said the North Korean leader had faced a formidable challenge in taking over the country at a reported age of 27 after his father's death in 2011. "He's dealing with obviously very tough people, in particular the generals and others.