WJHU Radio Program Notes This week on The Marc Steiner Show: ù Tuesday, Feb. 14, will feature a conversation with freshman U.S. Congressman Robert Ehrlich, who will talk about upcoming legislative issues in the House of Representatives. ù Wednesday, Feb. 15, the show will address "Everything You've Ever Wanted to Know About Computers," with computer consultant Mark Manasi. ù On Thursday, Feb. 16, Steiner will open the phone lines to discuss whatever interests his listeners. 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. For more information, call 516-WJHU.