The group is hiring new staff in Iowa, New Hampshire and South Carolina.
"Their days are numbered," Pelosi said of the GOP-controlled House.
The New Jersey governor is slated to campaign for Iowa Gov. Terry Branstad on Friday.
"I did not prepare. I was a bit arrogant,” said Perry, who is weighing a 2016 run.
It's his first trip since 2010 and a sign he's mulling a bid for the White House.
The ex-president is trying to help his party in his home state.
The 2016 hopeful has stumped for top GOP Senate candidates and governors nationwide.
The three men presented different reasons why Iowa conservatives should vote.
“There’s no telling what could happen in just a matter of a couple of years,” Carson said.