Voters across Maine, Nevada, South Carolina and North Dakota head to the polls for another day of primary elections in America, but much of the political world will be focused on Maine’s high-stakes U.S. Senate contest.

Maine voters will choose nominees for U.S. Senate, U.S. House and governor in a state primary on Tuesday.

The Department of Homeland Security’s approach to naming immigrant enforcement operations elicits polarizing opinions: Are the names funny or offensive.