Another reader from Philadelphia writes:

Just wanted to let you know that after seeing the note in the Corner about Specter siding against DC school choice, I immediately when and signed up as a volunteer on Pat Toomey’s Website. www.pattoomey.org. This is just the last straw. If I’m going to have two Republican Senators representing my state, then I want two Republican Senators (not 1 and 1/4).