Mitt Romney's Not Running, So Who's Got Ground Game In Iowa?

Former Massachusetts Governor Mitt Romney announced today that he wouldn't run for the White House for a third time.

Kay Henderson, news director of Radio Iowa, tells Here & Now's Jeremy Hobson that former Florida Governor Jeb Bush has been moving quickly to firm up support in Iowa.

So have other Republicans such as Wisconsin Governor Scott Walker. And Democrat Hillary Clinton so far hasn't really been heard from yet.