We may never know for sure whether Rex Tillerson called President Trump a moron, a "f---ing moron," or never let an unkind word pass his lips, but Trump himself offers up a solution to the conundrum: "I think it's fake news, but if he did that, I guess we'll have to compare IQ tests," the president says in an interview with Forbes. "And I can tell you who is going to win." Should the secretary of state accept Trump's challenge, Mensa has agreed to host an IQ showdown, the Hill reports.
Meanwhile in the rest of the Forbes interview, Trump doubles down on his contention that Tillerson "was wasting his time" in negotiating with North Korean strongman Kim Jong Un, leading his interviewer to question whether "publicly upbraiding" the nation's top diplomat renders him ineffectual. "I'm not undermining," Trump responds. "I think I'm actually strengthening authority." (Read more President Trump stories.)