Trump's attacks on Jon Tester continue, and spawn new anti-Tester ads. Republican Russ Fagg's new ad plays on fears of illegal immigrants. Two new Democratic ads use humor and personal stories. And House Democratic candidates point out each other's drawbacks in the general election. Sally Mauk, Chuck Johnson and Rob Saldin look at these stories and more, on this episode of "Campaign Beat," MTPR's weekly political analysis program.