Washington (CNN) Secretary of State Rex Tillerson has never questioned President Donald Trump's "mental fitness" and intends to remain at his post for the entire year , the top US diplomat told CNN in an exclusive interview. "I've never questioned his mental fitness," Tillerson told CNN's Elise Labott. "I have no reason to question his mental fitness." JUST WATCHED WH won't say if Trump confident in Tillerson Replay More Videos ... MUST WATCH WH won't say if Trump confident in Tillerson 03:34"In terms of what I would do different, I'm going to build on my ability to communicate with the President better," Tillerson told Labott. Pressed on whether he'll be around to enjoy that success, Tillerson said, "I intend to be here for the whole year."

Source: CNN January 05, 2018 18:15 UTC