Pennsylvania holds its Republican presidential primary on April 24 -- and Mitt Romney is trying to pry away some of the Keystone States 72 delegates from favorite son Rick Santorum.

On Tuesday, Romney announced that he had won the backing of some of Pennsylvanias leading Republicans, including three congressmen: Charlie Dent, Jim Gerlach and Bill Shuster.

Update: Rick Santorum Wins Close Battles in Alabama and Mississippi.

Eyes turn toward the Deep South on Tuesday as Alabama and Mississippi hold their Republican presidential primaries -- and polls released Monday show that both states are close.

There are 50 delegates on the line in Tuesday's Alabama Republican primary and, according to a poll released on Monday from American Research Group (ARG), Newt Gingrich holds a small lead.

With the race for the Republican presidential nomination turning to Kansas, which holds its caucus on Saturday, and Alabama and Mississippi, both with primaries on Tuesday, the two leading social conservatives left in the race -- Newt Gingrich and Rick Santorum -- are starting to bash each other as they both hope to emerge as the main alternative to Mitt Romney.

While Romney won six of the 10 states up for grabs this week on Super Tuesday, Santorum won in North Dakota, Oklahoma and Tennessee and Gingrich triumphed in Georgia, a state he represented for two decades in Congress.

With Mitt Romney leading in the polls but Rick Santorum still around in the chase for the Republican presidential nomination, the two leading candidates to take on President Barack Obama exchanged fire on Thursday.

Republican presidential hopeful Mitt Romney is headed for a rematch with Rick Santorum in Missouri, locking down Republican support in the Show Me State.

With Super Tuesday complete, the Republican presidential hopefuls turned their focus toward states looming on the calendar -- Kansas, Alabama and Mississippi -- and to trying to nudge each other out of the race.

With 10 states up for grabs, Mitt Romney emerged a battered winner on Super Tuesday -- but he didn't knock out his rivals for the Republican presidential nomination.

Romney won six of the 10 states that held contests on Tuesday. While he won Ohio, his chief battleground on Tuesday, Romney's wins also included two New England states, which Republicans have little chance of winning in November, and Virginia, where his chief GOP rivals did not make the ballot.

Former state Rep. Tom Grady will be stepping down as the commissioner of the Florida Office of Financial Regulation to take over at Citizens Property Insurance Corp., the state-backed insurer of last resort.

Grady was unanimously chosen Monday by the Citizens board of governors to serve as interim president and, on Tuesday morning, Grady told his staff that he will assume his new position March 12.

With 76 delegates on the line, Georgia ranks as the largest prize at stake on Super Tuesday -- and it looks like favorite son Newt Gingrich is headed for a victory in the Peach State.

Gingrich has been leading in the polls of the state in recent weeks and two surveys unveiled on Monday show that the former House speaker is in store for a big win in the state he represented in Congress for two decades.

While Ohio received more focus from Republican presidential hopefuls Mitt Romney and Rick Santorum than the other nine contests up for grabs on Super Tuesday, a poll released Monday finds that Tennessee -- and its 58 delegates -- appears to be a close contest.

A poll from We Ask America released on Monday finds a three-way battle to win the Volunteer State's primary on Tuesday.