Here are Senate, House incumbents who’ve lost their primaries

Summary

This year’s election cycle has already seen eight congressional incumbents lose their primaries, with impacts to both parties. In the upper chamber, Republican Sens. Bill Cassidy (La.) and John Cornyn (Texas) lost their primaries to challengers endorsed by President Trump. The president also took his revenge tour to Kentucky’s 4th Congressional District, boosting Ed Gallrein…