The Daily Kos Elections Morning Digest is compiled by David Nir, Jeff Singer, Stephen Wolf, Carolyn Fiddler, and Matt Booker, with additional contributions from David Jarman, Steve Singiser, Daniel Donner, James Lambert, David Beard, and Arjun Jaikumar.

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MA-06: On Thursday, women's health advocate Jamie Zahlaway Belsito announced that she would challenge Massachusetts Rep. Seth Moulton in the Democratic primary for the 6th Congressional District. This seat, which includes Salem, Lynn, and other communities north of Boston, backed Hillary Clinton 56-38, and it should stay blue without much trouble no matter what happens in the primary.

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Belsito argued that Moulton is neglecting his constituents while he runs for president, declaring, "It is time to make the people of the 6th Congressional District the top priority." Belsito also went after Moulton for criticizing Massachusetts Sen. Elizabeth Warren, who is one of his many White House rivals. Belsito argued, "During a time where we are being desperately underrepresented, he has chosen to single out and attack our own sitting U.S. senator, seeking to score political points, which exemplifies his disconnect from our district, and our commonwealth."

Belsito runs a group that brings attention to postpartum depression, and GOP Gov. Charlie Baker recently appointed her to the Salem State University Board of Trustees. Belsito opened a fundraising account in April, but she only just confirmed that she would run for this seat.

Moulton has said that he'd seek a fourth term if his White House bid falters, but he could be in for a rough homecoming. Moulton angered progressives across the nation late last year when he led an unsuccessful campaign to keep Nancy Pelosi from returning to the speaker's chair, and his longshot presidential bid may not help his standing at home.