Here's Obama's new ad shining light on McCain's new erratic proposal of buying up foreclosed homes with the Bailout money.

The Note: McCain Changes Mortgage PlanJohn McCain was hoping that the mortgage buy-up plan that he offered during Tuesday's debate could help separate him from President Bush while also differentiating himself from Barack Obama. It now appears, however, that he may have given the Obama campaign a new opening.Politico's Mike Allen reports that from Tuesday to Wednesday McCain changed his mortgage buy-up plan, making it "more generous to financial institutions and more costly for taxpayers." The McCain campaign told reporters in a Tuesday issue paper that lenders "must recognize the loss that they've already suffered." But when McCain posted the plan to his campaign website on Wednesday, that sentence was missing. "It's another example of John McCain's erratic response to the economic crisis," Obama communications directions director Dan Pfeiffer tells ABC News. Here's The Ad "Tested".