What’s at stake?
Here are the number of delegates up for grabs in the weekend's primaries and caucuses.
Louisiana has 59 Democrat delegates and 46 Republican delegates
Kansas has 40 Republican delegates and 37 Democrat delegates
Nebraska has 30 Democratic delegates
Kentucky has 46 Republican delegates
Maine has 23 Republican delegates and 30 Democrat delegates
How many delegates do you need to win the nomination?
In all, Democrats will send 4,763 delegates to their convention, with 2,382 needed for nomination. Republicans will send 2,472 delegates to their national convention. To win the nomination, a candidate must get the support of 1,237 delegates.
On Tuesday, Republicans will caucus in Hawaii and Idaho, and both parties will hold primaries in Michigan and Mississippi. On Thursday, the Virgin Islands will hold a Republican caucus.