Biden's Easter Egg Roll gaffe raises questions about his fitness for re-election.

President Biden's recent gaffe during an interview at the White House's Easter Egg Roll has prompted renewed discussion over his mental acuity, even from "Late Show" host Stephen Colbert, who poked fun at the president's odd phrasing. Biden's presidency has been plagued with concerns about his cognitive abilities, with a poll in February showing that 57% of voters have doubts about his mental fitness.