Here's Romney coming face to face with the religious right on Iowa talk radio:
It's long, but definitely worth your time.
Update: I just e-mailed Romney's press secretary Kevin Madden, asking why the campaign decided to put this particular exchange up on YouTube. His reply:
Because it shows Governor Romney standing his ground and making his case to an interviewer that took him head-on over the issues. He is confident and engaging during a tough inquiry. Folks who have seen the video says it is Governor Romney at his best, so we felt others should have the chance to see it.