Two sites that I found might help, but the whole thing is confusing to me, too…

http://realestate.msn.com/buying/article_busweek.aspx?cp-documentid=5840805

http://www.fool.com/investing/general/2007/12/07/bushs-bailout-bait-and-switch.aspx

The MSN is more to the point, but the FOOL article provides a lot of other things to think about.

It would be interesting to read other pieces of literature that defines this term according to the actual bailout plan.