Still struggling in the polls, Republican presidential candidate Tim Pawlenty has released a new video to Iowa voters discussing his Christianity.The former Minnesota governor is joined by his wife, Mary, an evangelical who got the former Catholic to join her church when they first met.From the Pawlenty campaign:Stuck in the GOP basement at 6 percent, observers believe this is a critical month for Pawlenty as his opponents—namely Minnesota Congresswoman Michelle Bachmann—surge in the polls.But if it's attention from Iowa voters Pawlenty seeks, why not go rogue and remake his favorite artist and his favorite song—Lady Gaga's "Born This Way."