The White House threw cold-water Monday on a growing chorus of Americans who are demanding President Joe Biden take a cognitive test to ease fears over his age and potential senility. “I have spent countless hours with him. In the Oval Office‚ on the road‚ I believe he is sharp. He is on top of things. When we have meetings‚ he’s constantly pushing us to get more information‚” said Jean-Pierre. REPORTER: Will Biden take a cognitive test!?KARINE JEAN-PIERRE: "He is sharp! He is on top of things!" pic.twitter.com/rOXIC4NfxC— RNC Research (@RNCResearch) February 12‚ 2024 Watch her remarks above.