U.S. Senator Kamala Harris, a former 2020 Democratic presidential candidate, on Sunday said she would endorse her one-time rival Joe Biden's bid for the White House.
U.S. Senator Kamala Harris, a former 2020 Democratic presidential candidate, on Sunday said she would endorse her one-time rival Joe Biden's bid for the White House.
Joe Biden hopes to take a big step toward the Democratic presidential nomination on Tuesday when six states cast votes, while..