Sen. Tammy Baldwin (D-Wisc.). Photo: Bill Clark/CQ Roll Call
Here’s a warning sign for one vulnerable Democrat: A new Marquette University poll shows Republican Leah Vukmir just two points behind Sen. Tammy Baldwin among likely voters. The gap widens to 8 points among all registered voters in the state.
Why it matters: Democrats can’t afford to lose any of their 10 Senate seats in states Trump won in 2016.