Here’s the ad Rand Paul is running in Kentucky, which makes novel use of an Obama impersonator:

And here’s the ad the National Republican Senatorial Committee is running in support of John Raese*, which acknowledges Joe Manchin’s relative popularity as governor, but is counting on the facts that West Virginia voters dislike Obama a lot more than they like Manchin:

*I originally wrote that Raese was running the ad. It’s an independent expenditure by the NRSC.