My understanding is that Phil and Bobby signed an initial 2 year contract with the other members, which means at least until Sept 2011. If you start counting from Jeff P.'s joining, that would take it to May 2012. But, it's likely they will keep it up as long as they're having fun and they keep selling out shows.
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PAIRdoc
Philadelphia, PA
"Show me a sane man, and I will cure him for you." -Carl Jung
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