The ad is significant because it represents the first foray by Priorities USA Action, a so-called “Super PAC” that isn’t bound by limits on donations, into the presidential cycle, where it’s expected to play a big role. – The Hill

Republicans, led by Karl Rove and Ed Gillespie’s American Crossroads, set the stakes and there’s no reason Democrats shouldn’t raise them.

Jeffrey Katzenberg and the Service Employees International Union put up the seed money.