His voting record, in spite of numerous (many) "present" votes is THE most liberal 2007 record in the entire Senate during his excruciatingly short tenure there, according to the National Journal, and widely reported on all cable news stations. He voted "no" on the confirmationss of Supreme Court Justices Roberts and Alito, both hugely successful and brilliant recent additions to the Court, and has stated that Justices Ginsberg and Breyer were "excellent" choices for the Supreme Court. I think you can take it from here.