Live Updates: Sanders Clinches Win in Michigan, Cruz Takes Idaho

Clinton wins Mississippi; Cruz slams Trump for asking rally to pledge allegiance to him; Senators question whether a President Cruz would cooperate.

Republican Marco Rubio; Republican Ted Cruz; Democrat Bernie Sanders; Republican Donald Trump; and Democrat Hillary Clinton. February 04, 2016.

Bernie Sanders breathed new life into his longshot White House bid with a crucial win in Michigan's primary Tuesday night, chipping away at Hillary Clinton's dominance in the Democratic presidential race. Republican Donald Trump swept to victory in both Michigan and Mississippi, overcoming fierce efforts to blunt his momentum.