“Late Show” host Stephen Colbert said many people are worried that President Donald Trump appointed an “unstable lunatic” when he named John Bolton his new national security advisor. And to refute that point, he brought on... John Bolton himself. Actually it was comic Dana Carvey doing a frightening impression of Bolton as exactly the unstable lunatic Colbert warned of:

Source: Huffington Post March 29, 2018 08:26 UTC