Lions' QB Joey Harrington will miss the rest of the NFL regular season because of an irregular heartbeat. sports_football_ball.jpg home Joey's Season Over http://smilparse.real.com/showcase/foxsports/open_fox.ram?contentId=810288 10401405557090 foxsports_free.gif video.gif http://smilparse.real.com/showcase/foxsports/open_fox.ram?contentId=810288 10401405557091 12/16 FOX Wire lock_icon.gif lock_icon.gif lock_icon.gif big_headline