No, Ensign, the wake-up call is the fact that you can't get your base out to vote for you. The wake-up call is that Specter dropped 30% points on a non-Republican vote. Those are the wake-up calls. Specter's defection simple means that he woke up and realized that he could not run as a Republican and vote as a democrat. That is not a wake-up call, it is the result of waking up. Get a clue.
Nine Democratic Senators signed the brief. The rest must hold that firearms ownership isn't an individual right. Republicans Ensign, Lugar and Warner sided with the majority of Democrats, and did NOT sign. Democrats Baucus, Casey, Feingold, Johnson, Lincoln, Nelson (NE), Salazar, Tester and Webb signed.