Democrats see Wisconsin as their best chance to unseat an incumbent Republican senator. But Sen. Ron Johnson has managed to close the gap with Democratic challenger Mandela Barnes by linking him to rising crime in ads aimed at suburban voters.This episode: political reporter Deepa Shivaram, political correspondent Danielle Kurtzleben, and WUWM reporter Chuck Quirmbach.Learn more about upcoming live shows of The NPR Politics Podcast at nprpresents.org.Support the show and unlock sponsor-free listening with a subscription to The NPR Politics Podcast Plus. Learn more at plus.npr.org/politics Connect:Email the show at nprpolitics@npr.orgJoin the NPR Politics Podcast Facebook Group.Subscribe to the NPR Politics Newsletter.