Bad personnel decisions have haunted the Bush Administration, and one of the bigger disappointments is Federal Communications Commission Chairman Kevin Martin. In his last months as Master of the Media Universe, he seems poised to expand government regulation of the Internet.

The FCC is by all accounts planning this week to uphold a complaint against Comcast, the cable company accused of throttling attempts to trade movies and other high-bandwidth files on its network that slow down Internet service for everyone else. Comcast...