Joe Biden has reportedly narrowed down his search for his Supreme Court nominee down to four potential candidates.“What I’ve done is I’ve taken about four people and done the deep dive on them, meaning these thorough background checks, and see if there’s anything in the background that would make them not qualified,” Biden told NBC news anchor Lester Holt in a recent interview.It’s not said who these four candidates are, but among those reportedly under consideration are U.S. District Court Judge J. Michelle Childs; Ketanji Brown Jackson, who serves on the U.S. Court of Appeals for the District of Columbia...