From the latest Rasmussen Reports:

Republican Pat Toomey now leads incumbent Senator Arlen Specter 49% to 40% in Pennsylvania's race for the U.S. Senate.

The latest Rasmussen Reports telephone survey of Pennsylvania voters also finds Toomey with a 43% to 35% lead over Democratic challenger Joe Sestak.

A month ago Toomey led Specter by four and Sestak by six. In the state’s Democratic Senate Primary race, Specter now leads Sestak by 21 points.

Read more poll numbers on the Pennsylvania Senate race at Rasmussen Reports