PENNSYLVANIA

The results of Michigan's primary Tuesday night could be a game-changer in the Republican presidential race, where Rick Santorum's surging poll numbers threaten Mitt Romney's chances in his home state.

Here's why the Dow closed above 13,000 for the first time since 2008, indicating that the stock market has finally returned to its pre-recession level.

The Village of Bath, N.Y., could be the latest local government in the state to bar hydraulic fracturing within its own municipal limits when it hosts a March 19 public hearing to adopt a fracking moratorium.

Rick Santorum offered a unique theory to what caused the recession: rising gas prices.

Mitt Romney faces a day of reckoning on Tuesday when Michigan votes to either grant him a big victory in the Republican presidential nomination battle or hand him a humiliating defeat.

The American Petroleum Institute will be hosting a hydraulic fracturing workshop in Albany, N.Y. as part of an ongoing national effort to educate the public about the drilling technique that has been the source of controversy and debate in recent years.

The United States has put too much focus on going to college and it has hurt the economy.

President Barack Obama reiterated that his support for post-high school education goes beyond four-year college degree programs.

Michigan is not the only state going to the voting booth on Tuesday. Arizona's 29 delegates are also up for grabs. While recent polls have shown Mitt Romney breaking away from Rick Santorum, the former Pennsylvania senator could still present a formidable challenge to Romney's presidential aspirations.

The former Pennsylvania senator was referring to a speech JFK made to Baptist ministers in Houston while he was running for president, in which he said he believed in the absolute separation between church and state. ABC's George Stephanopoulos pulled up a video clip in which Santorum said he read the speech, and I almost threw up.

Republican presidential hopeful Rick Santorum doesn't believe in an America where the separation of church and state is absolute, he said Sunday, two days ahead of the Michigan and Arizona primaries.

The infamous ‘bridge to nowhere’ found its way into the 2012 Republican presidential debate in Arizona Wednesday night, with Mitt Romney bringing up the term to attack Rick Santorum on his history with earmarks.

When Amy Jung began to have a life-threatening diabetic reaction, she had no idea that the pet she had just adopted, a 21-pound orange and white cat named Pudding, would be the one to save her life. When she began to have a seizure the night she brought him home, Pudding jumped onto her bed and woke her up before running to her son's room to sound the alarm. Pudding is now being trained as a therapy animal.

Despite the improving economy, half of the respondents in a recent USA Today/Gallup poll that President Barack Obama's first term has been a failure.

U.S. Environmental Protection Agency Administrator Lisa Jackson said she believes hydraulic fracturing can be done safely. That may be a slight shift in her previous cautious view.

Rick Santorum and Mitt Romney duked it out at CNN's Arizona Republican debate Wednesday night, but Romney came out on top at what will likely be the final debate of the primary season.

Rick Santorum and Mitt Romney duked it out at CNN's Republican debate Wednesday night in Arizona, but Romney came out on top at what will likely be the final debate of the primary season.

The Arizona CNN Republican debate, perhaps the last in the roller-coaster campaign to challenge President Barack Obama, saw rivals piling criticism on Rick Santorum, who was apparently trying to build on his surprise rise in recent polls.

Republican rivals pile criticism on US presidential candidate Rick Santorum to blunt surge.

We're all human beings, we all know or love somebody who's gay or lesbian so what the hell is that about?, said former U.S. Sen. Alan Simpson on Wednesday about Rick Santorum's view on same-sex marriage.

Find out who's moderating tonight's GOP debate, when it begins, where to watch it live and how to follow it on Twitter by clicking here. Former Massachusetts Gov. Mitt Romney, former Pennsylvania Sen. Rick Santorum, Texas Rep. Ron Paul and former Speaker Newt Gingrich face off in Arizona tonight in the last debate before the Arizona and Michigan primaries, the Washington primary, and Super Tuesday.