IF YOU GO What: The Christians When: Jan. 31-Feb. 4 (7:30 p.m. Jan. 31-Feb. 3; 2 p.m. Feb. 4) Where: Hardin-Simmons University Behrens Auditorium Tickets: Order online at http://www.hsutx.edu/tickets General admission, $10; senior citizens, military and non-HSU students, $5; groups of 10 or more, $4 (Call 670-1405 to order group tickets) Details: The HSU Theater Department is presenting the