Rep. Tim Burchett (R-Tenn.) on Monday doubled down on previous claims that Vice President Kamala Harris is a diversity, equity and inclusion (DEI) hire, blasting her a day after becoming the frontrunner to replace President Biden as the Democratic nominee following his historic exit from the race. “The incompetency level is at an all-time high in Washington. The media propped up this president, lied to the American people for three years, and then dumped him for our DEI vice president,” Burchett wrote in a post on the social platform X, highlighting an earlier interview with NewsNation. The Tennessee Republican reiterated these comments at the Capitol on Monday to CNN’s Manu Raju,…