A Night With Janis Joplin **
                         By: David ShewardMary Bridget DaviesGee, that Janis Joplin was a nice kid. That bland and incongruous statement about the troubled, sandpaper-voiced vocalist seems to be the subtext of A Night With Janis Joplin, the latest jukebox tribute to a rock icon to reach Broadway. Sanctioned by the late singer's estate, Joplin…