CSU-San Luis Obispo Public AffairsRoberta AchtenbergYou can't bar the disabled from federal housing. Ditto that for racial or religious minorities, the aged, or nearly any other group -- but homosexuals. Amazingly, in 2009, one can still be barred from a place in federally funded housing based upon his or her sexual orientation. In fact, San Francisco's Roberta Achtenberg was nearly prevented from being the federal official overseeing fair housing because of her sexual orientation; Sen. Jesse He