The ad, which is running statewide on radio and has $20,000 behind it, comes a week after a pro-Mourdock super-PAC blasted Rep. Joe DonnellyJoe DonnellyDems struggle with abortion litmus test What prospective college students need to know before they go — or owe Battle begins over Wall Street rules MORE (D-Ind.), Mourdock's opponent, for being a "rubber stamp" for President Obama.
The Hill rates the race a "toss-up."
Listen to the ad:
Tags Joe Donnelly