Trump's campaign manager responds to Cruz by raising his Canadian birthplace.
"I'd enjoy my life so much," she says, if men were covered the same way.
Campaigns and super PACs have launched more than 12,000 TV ads.
The ads are part of a six-figure media buy in the early caucus state.
The billionaire received a 61 percent favorability rating in Iowa.
The three are expected to draw large crowds at the annual event.
CEDAR RAPIDS, Iowa -- Jeb Bush makes his first campaign-style retail political stop in Iowa.
DES MOINES, Iowa -- “I’ve been incredibly encouraged," he said.
The Iowa senator weighed in on the 2016 prospects of some top-tier candidates.
DES MOINES, Iowa -- “The president's energy policy is a bumper sticker,” Christie said.
The federal prison population has increased by more than 500 percent since the 1980s.
The possible 2016 candidate is chastising other female Republicans who killed the bill.
The filmmaker implies Trump isn't "a real man."
"Good mattress, staff was great, good mattress, good everything," he says.
Trump said the tax is hurting farmers in Iowa.
If he does lose one of the early states, “I won’t lose badly,” he said.
Steve Deace says Cruz is Americans' "best chance" for change.
“Unless we can have full access, 24/7, anytime, any day, there's nothing to negotiate," he said.
Walker urged the unemployed to stay positive about opportunities to rejoin the work force.
The former Arkansas governor rips Obama's foreign policy maneuvers.
DES MOINES, Iowa -- “Immigrants that are here need to have a path to legal status,” he said.
DES MOINES, Iowa — Bush looks to road test his 2016 message with conservatives.
Wisconsin governor's stock is soaring after an impressive speech to activists.
The Wisconsin governor made another big hire as he gears up for a 2016 presidential bid.