In the immortal words of the wrong Reverend Wright: "Specter's chickens coming home to roost!"
Specter had said that he didn’t want to be judged by the more conservative Republican voters in a primary. He may have misjudged the political calculus, if lots of Democrats aren’t going to vote for him in the general election.
And the political climate might not be favorable to Democrats in general in the Nov. 2010 mid-term elections. Chickens may come home to roost relating to Porkulus, car bail outs, higher taxes, high unemployment, possible inflation, cap and trade bills, immigration bills, socialized medicine bills....................
Specter is definitely vulnerable.