WJHU Radio Program Notes This week on The Marc Steiner Show: ù Tuesday, March 7, a debate on affirmative action: Do we still need these programs? ù Wednesday, March 8, a discussion on nuclear arms proliferation in the post-Cold War era. Among the guests will be Steven David, chairman of the Department of Political Science. ù Thursday, March 9: Topic to be announced. 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.