Segment 1: The National School Walkout In North Kansas City. A check-in with our reporter, who covered today's National School Walkout from Oak Park High School. Elle Moxley , KCUR education reporter. Segment 2, beginning at 5:41: A Portrait Session with Alvin Brooks. He may be best known for founding the Ad Hoc Group Against Crime. But Alvin Brooks has also been a police officer, a city council member, mayor pro-tem and a longtime civil rights activist. And, at close to age 86, he's serving on