You can now offiically call him Senator Al FrankenAl FrankenAT&T, Time Warner defend deal The Hill's 12:30 Report FCC chair responds to Franken's net neutrality concerns MORE.

The Minnesotan was sworn in about an hour ago by Vice President Joe BidenJoe BidenTop union offers backing for Ellison in DNC race John Kerry to teach at Yale on global issues Ellison needles Perez for 'unverifiable' claim of DNC support MORE, giving Democrats a 60 seat supermajority in the Senate.

Former Vice President Walter Mondale, a fellow Minnesota Democrat, accompanied Franken to the Senate floor. Franken said earlier today that he hopes to be the "people's proxy" in the Senate.