Pennsylvania's 2010 primary election is still 13 months away, but the race for one of the state's two U.S. Senate seats is heating up.

The Pittsburgh Tribune-Review does a nice job of summing up incumbent Sen. Arlen Specter's campaign tactics so far against potential GOP rival Pat Toomey, a former Pennsylvania Congressman who now heads the Club for Growth.

From an editorial in the Tribune-Review:

Specter, lagging badly behind an opponent who hasn't even formally declared his candidacy, can't run on his record so he misrepresents Pat Toomey's record with a sleazy innuendo.

It's despicable behavior from a desperate pol.

Read the full editorial at the newspaper's Web site.