So why is Mitt Romney really threatening to skip the YouTube debate?

A rival campaign thinks it's got the answer, and it has sent Election Central a whole bunch of YouTubes of Romney's greatest moments to prove it.

The YouTubes the rival campaign sent us -- which we've got for you after the jump -- provide a fusillade of evidence of Romney's assorted flip-flops, ideological contortions and excursions into social liberalism. It would be simple for any knowledgeable YouTube user to take just one of these moments, edit out a small excerpt, and use it in a question within the YouTube debate format, in order to confront Romney.

Only John McCain and Ron Paul have agreed to attend.

In the Romney videos, you can watch Romney...Pledge not to impose his moral beliefs on others. Praise his mother's 1970 Senate campaign in Michigan as a pro-choice candidate. Discuss the experience of an in-law who died from a botched illegal abortion. Say the Boy Scouts of America ought to allow gays to participate. Completely distance himself from Ronald Reagan. And much, much more!

All the vids are after the jump. Enjoy!

Here goes...

Here's another piece of Mitt in his 1994 Senate campaign, talking about the need for campaign finance reform:

Here's a more recent news piece on Romney, from April of this year, discussing his experience hunting "small varmints," when it came out that the self-proclaimed lifelong hunter had only been on two hunting trips in life:

Here's the 2002 Mitt, denying that he ever asked for or accepted the endorsement of Massachusetts Citizens For Life. "I do not take the position of a pro-life candidate. I am in favor of preserving and protecting a woman's right to choose":

And when Romney was called out this year for his wife's contributions to Planned Parenthood in the 1990's, he simply placed a lot of distance between himself and Ann, and said her positions aren't relevant: