Romney has as much of a chance as I do to be the nominee. Perhaps if there wasn’t a video-taped record of all his liberal speeches, people may have forgotten. However, they would all be replayed in opponents’ campaign ads, reminding voters of his long list of flip-flops.
Why Mitt Romney may not be the Republican nominee in 2012
http://voices.washingtonpost.com/ezra-klein/2010/11/why_mitt_romney_may_not_be_the.html