Clinton will stump for Illinois Gov. Pat Quinn and attend the Chicago conference on Oct. 8.
"I did not prepare. I was a bit arrogant,” said Perry, who is weighing a 2016 run.
The Wisconsin governor says he tries to be more positive.
Alexander Bolton 09/30/14 10:41 AM EDT
“The longer he’s there, the more Washington’s changed him,” a narrator says.
Whether Democrats must name a new candidate is at issue in the hotly contested race.
It's his first trip since 2010 and a sign he's mulling a bid for the White House.
Sixty-five percent said economy would affect vote more than concern for military action.
Ads are aimed at two Democratic incumbents and six other House candidates.
Some Democrats are worried their offensive won’t be enough to save key Senate battleground.