Democratic nominee for Maine’s 2nd Congressional District Emily Cain, left, U.S. Rep. Debbie Wasserman Schultz of Florida and U.S. Rep. Chellie Pingree of Maine appear at a rally Monday in Portland.

U.S. Rep. Mike Michaud, Maine's Democratic candidate for governor, answers questions from reporters before the Democratic National Committee rally on Monday.

U.S. Rep. Chellie Pingree (from left), Democratic nominee for Maine's 2nd Congressional District, Emily Cain, and Democratic National Committee Rep. Debbie Wasserman Schultz present plans for the future of the party at the Democratic National Committee rally on Monday. Photo by Logan Werlinger/Staff Photographer

U.S. Rep. Debbie Wasserman Schultz, chairwoman of the Democratic National Committee, left, and Maine Democratic Party Executive Director Mary Erin Cassale rally Maine voters Monday.

Democratic National Committee Rep. Debbie Wasserman Schultz, and U.S. Rep. Chellie Pingree answer press questions at the Democratic National Committee rally on Monday. The Associated Press. Logan Werlinger/Staff Photographer