After four years at the top of the Federal Communications Commission, chairman Michael Powell is expected to step down today (Jan. 21), the FCC confirms.

After four years at the top of the Federal Communications Commission, chairman Michael Powell is expected to step down today (Jan. 21), the FCC confirms.

Appointed to the five-member commission by President Clinton in November 1998, Powell was upped to chairman by President Bush in early 2001. His term runs through 2007.