What the polls show for Biden and Sanders in Michigan and elsewhere
Democratic voters in six states will make their choices for president known Tuesday, when more than 350 delegates are at stake.
Joe Biden has been rising in the polls since his Super Tuesday surge — when he won 10 states, building on a decisive victory in South Carolina — but Bernie Sanders will compete in several states that handed him victories in 2016.
Everything you need to know about Tuesday's primaries
There are primaries in Idaho, Michigan, Mississippi, Missouri and Washington and caucuses in North Dakota on Tuesday, and the results in most of the states should be known within hours of the polls closing — 8 p.m. ET for the earliest states and 11 p.m. ET for the latest.