Biden's words on segregationist senators draw rivals' fire

Democratic presidential candidate Joe Biden is dismissing calls to apologize for saying that the Senate "got things done" with "civility" even when the body included segregationists with whom he disagreed.His rivals for the 2020 nomination, including the two major black candidates in the race, have criticized Biden's comments.But Biden isn't backing down and he's particularly defiant in the face of criticism from New Jersey Sen. Cory Booker, who says the former vice president should apologize.Bi