Santorum to attend Romney office opening Former Republican Senator Rick Santorum. UPI/David Banks Santorum will appear at Romney's new campaign office in Greensburg Saturday. It will be the Pennsylvanian's first formal campaign appearance in support of Romney, ABC News reported. Santorum was among Romney's foes in the Republican primaries before suspending his own campaign in April. Santorum, who formerly served as the representative for Greensburg's congressional district, said he was happy to help Romney's campaign.