Don Gonyea

Wisconsin Gov. Scott Walker is reportedly poised to scrap his bid for the Republican nomination for president — just two months after announcing it.

A lackluster week for Republican presidential candidate Donald Trump's campaign is ending in controversy over his response to a supporter who questioned President Obama's religion and birthplace.

There were only four candidates on stage in the first round, but 11 contenders attended the prime time debate. Carly Fiorina made the jump to the big stage for this second debate.

Even though he wasn't on the stage at the second-tier debate, the four candidates didn't shy away from taking on Donald Trump. The candidates also discussed immigration and national security.

Fifteen Republican presidential candidates will be at the Ronald Reagan Presidential Library in California for the second debate Wednesday night.

His candidacy has floundered, so the Wisconsin governor is going back to what made him a hero to Republicans — taking on labor unions. But his sweeping efforts will likely run into stiff resistance.

Presidential candidates made the rounds on at Labor Day festivals, parades and picnics. For Democrats, it was a day to impress union members who can turn out voters for candidates endorsed by labor.

Politics mixed with picnics and parades Monday as the candidates fanned out for an end of summer blitz of campaigning. Many discussed jobs — an issue that tops just about every voter's list.

Jeb Bush likes to tell audiences that he's his own man. It's a way to put distance between himself and the two members of the Bush family who've already won the White House.

His brother, former President George W. Bush, will headline a fundraiser for his brother this week. He ...

The insults continued to fly in the very public fight between Republican presidential contenders Jeb Bush and Donald Trump. Trump mocked Bush, but later Trump stumbled in a foreign policy interview.

Donald Trump signed a loyalty pledge Thursday saying he would not run on a third party ticket if he does not win the Republican domination. And Jeb Bush attacked Trump at an event in New Hampshire.

Religious voters are a key for Republicans running for president. One candidate — Texas Sen. Ted Cruz — is making a bold play for them, promising to campaign on defunding Planned Parenthood.

Immigration has taken over the 2016 Republican presidential race. See, for instance, Donald Trump's position paper that included a call to deport those in the country illegally and to challenge the 14th Amendment to the U.S. Constitution — the one that says anyone born in the United States is an ...

No Republican presidential hopeful this year has more riding on Iowa than Wisconsin Gov. Scott Walker.

After leading in polls in Iowa most of the year, Walker is suddenly slumping. And he might have Donald Trump to blame.

It's not necessarily that the support Walker had earlier in the summer, ...

Scott Walker was riding high in the polls in Iowa until Donald Trump came along. Walker appeared at the Iowa State Fair on Monday.

Hillary Clinton has gotten more aggressive in defending herself in the controversy over her private e-mail server. Plus, Donald Trump has begun laying out specific policy proposals.

Presidential candidates Hillary Clinton, Bernie Sanders and Donald Trump all found themselves doing the same thing today — campaigning at the Iowa State Fair.

Democratic presidential candidates played to a full house in Clear Lake, Iowa, on Friday night — in the same ballroom where in 1959 Buddy Holly played his last-ever show. At the historic Surf Ballroom, with a vintage mirror ball dangling from the ceiling, candidates offered up a version of their ...

There are highly scientific polls, with careful attention paid to sample size and demographics.

There are robopolls where computers make the calls and interview those who pick up the phone.

There are those cable TV polls where viewers are asked to "call this number and tell us who you like."

...

For years the fair, which begins Thursday, has provided a platform for presidential candidates vying in the all-important Iowa caucuses. But they haven't always held on to their pork chops.