Morning Digest: The congressman who would be president now has a primary fight at home

_{The Morning Digest is compiled by David Nir, Jeff Singer, and Stephen Wolf, with additional contributions from the Daily Kos Elections team.}

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Leading Off

● MN-03: DNC member Ron Harris announced Friday that he'd run for the House seat held by Minnesota Rep. Dean Phillips even though his fellow Democrat has yet to say if he'll wage a longshot primary bid against President Joe Biden. The 3rd District, which is based in the western Minneapolis suburbs, was swingy turf until the Trump era, but it moved rapidly to the left following the 2016 election. Phillips himself unseated GOP Rep. Erik Paulsen 56-44 in 2018, and Biden carried the current version of the constituency in a 60-39 landslide two years later.