Revivals of Crothers and Kelly in two local theaters Rachel Crothers and George Kelly were two of the 20th century's most important American playwrights; today, however, their work exists in a state of semi-obscurity, semi-rediscovery.  This month the Metropolitan Playhouse brings back Crothers's 1910 A Man's World, while the Mint Theater gives us Kelly's 1931 Philip Goes Forth.  Both plays have som…
