"reuterspolitics:  Rick Santorum suspends GOP nominee campaign U.S. conservative Rick Santorum dropped out of his presidential campaign on Tuesday after falling far behind front-runner Mitt Romney in the race for the Republican nomination. The former senator from Pennsylvania said he was suspending his campaign, effectively ending his bid to be the Republican who will face President Barack Obama in the November 6 general election. ""We will never be a country that can go forward as a great and powerful country again unless we remember who we are and what makes us Americans. That's what our campaign was about,"" Santorum said in Gettysburg, near the Civil War battle site. READ MORE: Santorum pulls out of U.S. presidential race"