TV Biz Hoover-Avlon: A Marriage Made on TV By Chris Ariens on Nov. 20, 2008 - 3:11 PM TVNewser has learned TV pundits Margaret Hoover (great-granddaughter of Pres. Herbert Hoover) and John Avlon are engaged to be married. Hoover is a GOP strategist who appears on Fox News Channel and has co-hosted The View. Avlon, ...