Matt Knows Musicals After wowing Broadway, Matthew Broderick does TV. ent_tv_musicman_broderick_matthew.jpg 60x45 home http://abcnews.go.com/sections/GMA/videofiles/Video/030210broderick_video.ram 10451641254790 abcnews_free.gif lock_icon.gif superpass.gif http://abcnews.go.com/sections/GMA/videofiles/Video/030210broderick_video.ram 10451641254791 PLAY lock_icon.gif lock_icon.gif lock_icon.gif headline