These lawmakers might want to consider crossing the aisle in the 115th Congress

Some Democratic senators who face reelection next year are gearing up for a tough sell: that they still represent their voters’ interests, even if they’ve stuck with a party many of those voters have abandoned.

The following charts explain which lawmakers on both sides of the aisle are the most mismatched with their constituents, as judged by their preference in recent presidential elections. These will be some of the most interesting races to watch in 2018.