'Visible Language' captures the historic dispute in D.C. over how to teach the deaf
Sometimes, a historical showdown begets memorable theater " think of the political struggles recalled in Shakespeare's history plays, or the courtroom clash that inspired "Inherit the Wind." Now a new work is joining the canon of dramatized historical conflict. "Visible Language," a world premiere musical in American Sign Language and English, evokes a famous 1890s blowup between Edward Miner Gallaudet and Alexander …