Talk show host Stephen Colbert took aim at President Donald Trump as he weighed in on the criminal investigation by the DOJ ...

Trump has spent the past year bragging about his cognitive test results. In October, while speaking to the press aboard Air ...

Jimmy Kimmel has taken a “cognitive test” similar to the one President Donald Trump said he had “aced,” with the talk-show host calling it “as difficult as the maze on the back of the box of Cap’n ...

"I took a cognitive test and I aced it. I got a perfect mark, which you would be incapable of doing," Trump told CBS News' Weijia Jiang, who is president of the White House Correspondents' Association ...

During his remarks to House Republicans at the Kennedy Center last week, Donald Trump questioned whether or not some of his political opponents could pass a cognitive test, calling out Governors JB ...