On Thursday night's "Stossel Show," which airs on the Fox Business channel, Brian Brown was unable to convince host John Stossel or his libertarian guest (and nationally syndicated columnist) David Harsanyi that civil marriage for gays and lesbians harms, or even changes, marriage between heterosexual couples. In fact, Harsanyi's suggestion that the marriage debate could be solved if the U.S. decided either to privatize all schools or all marriage contracts was treated as a more legitimate idea by Stossel and Stossel's audience.... "It is a mistake to allow government to define what marriage should be -- gay or not," Harsanyi...