Mitt Romney on Fox News

Here we stand, just over two months into a Republican primary that seems to have stretched on over decades, and Republican voters lack a unified decision on which path to pick.

There’s no doubt that dueling GOP primaries in Mississippi and Alabama will have a broad impact on the 2012 race for the Republican presidential nomination.

In Tuesday's Michigan primary the stakes are high for both Rick Santorum and Mitt Romney. But Romney has the most to lose.

Mitt Romney is calling Rick Santorum's calls to Democrats to vote in Tuesday's primary in Michigan "outrageous," a "dirty trick" and "disgusting" but Santorum says he's not doing anything besides getting people to vote in an open primary.

Seven of the 10 states hosting primaries and caucuses next Tuesday have what are known as "open" elections. Just like in Michigan, Democrats and independents as well as Republicans will be welcome to vote.

Seven of the 10 states hosting primaries and caucuses next Tuesday have what are known as "open" elections. Just like in Michigan, Democrats and independents as well as Republicans will be welcome to vote.

For the first time in decades, Republican caucus-goers in Washington state may have a real say in who runs for president.

With several key contests set for so-called "Super Tuesday" -- from the swing state of Ohio to the delegate-rich Georgia -- the four remaining candidates have pursued varying strategies for capitalizing on the day's voting and gaining momentum.

Mitt Romney and Rick Santorum could be poised to split the upcoming Republican primary contests, a scenario that would leave the tumultuous nomination battle no more decided heading into April.

As Republican-supporting Super PACs spend millions to keep their candidates in the presidential primary race, key Republicans are circling the wagons around Mitt Romney in hopes that Super Tuesday victories will create an air of inevitability as polls show the GOP suffering in public opinion polls from a protracted fight.

Rick Santorum and Mitt Romney are sharply challenging one another's conservative principles as they charge into the airtight primary contest in Romney's home state -- a critical election that has compelled Santorum to drop a bit of his nice-guy demeanor.

Mitt Romney defended his economic policy on Sunday from criticisms on both the right and left, saying he is not using the language of class warfare in defending the progressive tax code and he is not destroying the poor's safety net by cutting federal programs driving up the deficit.

No one, not even the candidates, anticipated the slugfest that is shaping up in Michigan as Rick Santorum and Mitt Romney head toward the final hours before Tuesday's Republican presidential primary vote. But anyone watching the ad campaigns in Michigan this week has a clue how close this race has become.

Presidential politics ramp up considerably in March as the Republican nomination process heads into the home stretch.

Mitt Romney walked away the Super Tuesday winner, after building his delegate lead with victories in at least five states and pulling off the headline-grabber of the night -- Ohio.