WJHU-Radio Program Notes This week on The Mark Steiner Show: ù Tuesday, April 11: "In Memory of Dr. Martin Luther King, Jr.," a discussion of the civil rights movement since the assassination of Dr. King. It was during this week in 1968 that Dr. King was shot. Has the civil rights movement made progress in the years since? ù Wednesday, April 12: A discussion of "blockbusting." Blockbusters were real estate speculators who preyed on the fears of white homeowners with talk of racial change and diminished property values. Guests include neighborhood preservationist Vincent Quayle and Edward Orser, author of Blockbusting in Baltimore. ù Thursday, April 13: "Spirituality in America," a talk about religion in American life with Chris Leighton, director of the Institute for Christian-Jewish Studies, and Rabbi Danny Lehman, principal of Beth Tfiloh High School. The Marc Steiner Show is a public affairs call-in program broadcast every Tuesday, Wednesday and Thursday from 7 to 8:30 p.m. on WJHU, 88.1 FM. Topics and guests are subject to change. For more information, call 516-WJHU. The Marc Steiner Show is a public affairs call-in program broadcast every Tuesday, Wednesday and Thursday from 7 to 8:30 p.m. on WJHU, 88.1 FM. Topics and guests are subject to change. For more information, call 516-WJHU.