Bob Wilcox and Gerry Kowarsky review (1) SEMINAR, by Theresa Rebeck, at St. Louis Actors’ Studio, (2) THE WORLD BEGUN, by Nancy Bell, at Shakespeare Festival St. Louis, (3) VENUS IN FUR, by David Ives, at West End Players Guild, (4) OLIVER, by Lionel Bart, at The Alpha Players of Florissant, (5) HAPPY DAYS, by Samuel Beckett, at The Black Mirror Theatre Company, and (6) MARY POPPINS, by Julian Fellowes, Richard M. & Robert B. Sherman, et al., at Christ Memorial Productions.