Should the Washington Redskins fire Mike Shanahan?

He's bumbling around D.C. screwed over the teams 2 BEST players; (McNabb & Haynesworth) has a 5-8 record with the team in shambles... I mean who in their right minds would move McNabb to 3rd in favor of starting Rex Grossman? seriously!? wow... I never thought Shanahan was that great of a coach anyways... yeah he won 2 Superbowls, with JOHN ELWAY and TERELL DAVIS two players who are in the top 10 ever at their positions. After the Broncos won those two SB's and Elway and Davis retired his went 7 years w/o a playoff win... In my mind he's overrated...