(R) (inc.) – 2,925,080 (52.62%) Joe Hoeffel (D) – 2,334,126 (41.99%) James N. Clymer (Constitution) – 220,056 (3.96%) Elizabeth Summers (Libertarian) – 79,263 (1.43%) Scattering – 580 (0.01%) 2010s Democratic primary for the United States Senate from Pennsylvania, 2010 Joe Sestak – 565,342 (53.9%) Arlen Specter (inc.) – 482,980 (46.1%) References Specter, Arlen