We are just under three weeks away from the primary. Leading up to August 13th, we’re taking a look at some races that our politics team will be keeping and eye on. We start with congressional district seven.

Two-term U.S. Representative Michelle Fischbach carved out a solidly conservative reputation at the state capitol before winning a western Minnesota congressional seat four years ago. Yet some in her party don't think Fischbach is conservative enough, and they're backing challenger Steve Boyd in the primary. The winner will be heavily favored to secure the seat in November. MPR senior politics reporter Clay Masters joined MPR News host Cathy Wurzer to break down the race.