Amid the furor over how Sens. Joe Lieberman, I-Conn., and Ben Nelson, D-Neb., would vote on the health bill, there was little talk regarding Pennsylvania Sen. Arlen Specter. Since switching from Republican to Democrat in April, Specter has been a reliable vote for his new party’s health plans. His main objections to the final Senate health bill were its lack of a public option and its restrictions on abortion funding. Now maybe he would have voted yes even if he were still a Republican. But party-switchers tend to shift their voting patterns significantly. After all of the left-liberal gnashing of...