A strange-bedfellows duo of top constitutional lawyers said today they are challenging the legal validity of Proposition 8, the November 2008 ballot measure that prohibited same-sex marriages in California. Speaking at a Los Angeles press conference, attorneys Theodore B. Olson and David Boies said they had filed a suit in federal court on behalf of two gay California couples, and would seek an injunction to stay the law while arguing it is a violation of the equal-protection clause of the U.S. Constitution. Olson, a former U.S. solicitor general, represented former President George W. Bush in Bush v. Gore, which decided...