This illustrates why we recommend voting Republican even for a POS like Toomey.
The Democrat will almost always vote party line with his leadership.
The Republican will also almost always vote party line with his leadership.

With votes like this it makes the difference between success and failure.

Please remember this in November and never throw your vote away out of frustration.
Politics is a dirty multi layered long term game.
You need to keep voting and stay in the fight even when the benefit is not immediately apparent.