President Donald Trump says he's a genius. Sometimes people even say it for him.
"You're an F-ing genius," someone wrote to him on Twitter in 2013. "I.Q. tests confirm!" Trump replied. In fact, he wrote this weekend, his lifetime of success in business, TV and politics "would qualify as not smart, but genius ... and a very stable genius at that!"
He's been less enthusiastic about providing evidence of his intelligence.
Trump has repeatedly challenged people to IQ tests, but when someone once asked him to prove his own score, he simply replied: "The highest, a-hole!" The Washington Post asked the White House if it would share his IQ...