"And the working class gets stuck with the tab."
"Anybody can talk. I've delivered," Bush says in the spot.
Companies are hoping to get their share of digital ad dollars.
The ad blitz comes as Biden mulls a run and Sanders gains in some polls.
It's part of a $7 million ad buy in Iowa.
Julian Hattem 04/30/15 01:54 PM EDT
Nancy Pelosi and others are pushing for new campaign finance regulations.
The ads targeting Christian voters air in four early-voting states on the Fox News Channel.
The Senate Conservatives Fund raised more than $90,000 for three targeted House Republicans.
The American Action Network is hitting conservatives; Club for Growth is fighting back.
The ads will be released in two battleground states.