Biden to Dems: Scrap caucuses, promote diversity in primary

Read MorePresident Joe Biden says Democrats should move past “restrictive” caucuses and embrace diversity in the order of its presidential nominating calendar, dealing a major blow to Iowa’s decades-long status as the leadoff spot in the processPresident Joe Biden says Democrats should move past “restrictive” caucuses and embrace diversity in the order of its presidential nominating calendar, dealing a major blow to Iowa’s decades-long status as the leadoff spot in the process