WJHU-Radio Program Notes The Marc Steiner Show airs five days a week, from noon to 2 p.m., and features a different guest or topic in each hour. However, guests and topics are subject to change. Scheduled for this week: Monday, Sept. 18 noon--Baltimore City schools superintendent Walter Amprey; 1 p.m.--Linda Monk, author of The Bill of Rights: A User's Guide. Tuesday, Sept. 19 noon--author DeWayne Wickham, author of Woodholme: A Black Man's Story of Growing Up Alone; 1 p.m.--Richard Lanham, director of Maryland Dept. of Corrections. Wednesday, Sept. 20 noon--David Zurawik, Baltimore Sun television critic; 1 p.m.--Frank Shivers, walking historian of Baltimore. Thursday, Sept. 21 noon--Andrea Gabor, author of Einstein's Wife: Work and Marriage in the Lives of Five Great Twentieth Century Women; 1 p.m.--Joe Sterne, editorial page editor of The Baltimore Sun. Friday, Sept. 22 noon--to be announced; 1 p.m.--Gerald Duff, author of That's All Right Mama: The Unauthorized Life of Elvis's Twin.