POTTSVILLE, Pa. — Presidential candidates Barack Obama and John McCain will both begin the final full week of campaigning with appearances in the battleground state of Pennsylvania.

Obama, the Democratic nominee, will speak this evening at Mellon Arena in Pittsburgh. He will then cross the state to speak at Widener University in Chester on Tuesday morning.

McCain, the Republican nominee, will attend a rally today at the Pottsville School District in eastern Pennsylvania.

On Tuesday, he and running mate Sarah Palin will be at a rally at the Giant Center in Hershey. Palin, the Alaska governor, will be in Shippensburg for an event Tuesday afternoon and in State College for another rally on Wednesday night.