Santorum brings a positive message of faith to the Palmetto State.
Will Rick Perry help Mitt Romney clinch in South Carolina?
What does Mitt Romney's win in the Granite State mean?
What does his fanatical following really represent?
Republican rivals try to stop the "inevitable" Romney.
Santorum challenges conventional wisdom in the Granite State.
Rick Santorum scores a historic triumph in Iowa.
Will Santorum's surge vindicate the power of prayer?
Santorum makes his case as the man to beat Romney -- and Obama.
Bizarre developments in the Iowa caucus campaign.