Primary season is far from over, but we’ve already seen an above-average number of incumbent congressmen fail to win their party’s nomination. We may see more in the coming weeks, with two members of Alexandria Ocasio-Cortez’s so-called “Squad” facing strong intra-party challengers, and a member of the Kennedy family dynasty going after a sitting Senator.

Hosts Kyle Trygstad and Greg Giroux break down the dynamics at play here and also look at the primary for an open Senate seat in Kansas, where the campaign ads are no-holds-barred.