You make two assumptions;
That Bush didn't just support Specter to maintain control of the Senate, whatever the other costs of his re-election might be.
That Bush and Rove made the right choice in trusting Specter with *nothing* to bind him save his word. Which he also gave to the other side...
We are a big tent party, right? We would not want to apply a litmus test to anyone for a committee chairmanship,right?
Let's not anger Arlen. If we can't trust the judgement of Rick Santorum on this, who can we trust.