The White House today criticized Republican presidential front-runner Donald Trump after he initially failed to clearly distance himself from controversial support by a former leader of the Knight s of the Ku Klux Klan. Over the weekend, Trump declined to disavow the support of former grand wizard David Duke, insisting he needed "to look at the group" first, despite being reminded of the former Louisiana lawmaker’s long association with the KKK. "Honestly, I don't know David Duke, I don't believe I've ever met him, I'm pretty sure I didn't meet him, and I just don't know anything about him," Trump...