As we reported earlier today, this race is key to the Democrats' chances of taking back the Senate. Polls show the race as tight, with challenger Sherrod Brown holding on to a small lead. Today, the Brown campaign began airing a new ad featuring the mother of a soldier in Iraq concerned that the troops didn't have body armor:

I wrote everyone I could think of. My Senator Mike DeWine sent me back a form letter than didn't even mention body armor. Sherrod Brown wasn't my congressman, but he met with me and other military families, then went to bat for our troops and helped them get the equipment they needed.

View the ad here.