Romney had a strong swing through Iowa the last couple of days. His "Ask Mitt Anything" event last night in West Des Moines was aired live on C-Span. The Elect Romney in 2008 Blog has some video highlights at this link
Also, from the Heading Right blog:
Mitt Romney, Iowa Public TV Interview
Mitt Romney, Live At The Greater Des Moines Partnership Government Policy Council
Mitt Romney, Press Availability
Don't forget that Romney will be on "Iowa Press" for the whole 30 min show---airs on Iowa Public Television at 7:30 PM Friday or the re-airing on Sunday at 11:30 AM.