SAN FRANCISCO -- A federal appeals court refused today to let same-sex marriages resume in California while it considers the constitutionality of a 2008 ballot measure that defined marriage as the union of a man and a woman. Gay and lesbian couples and the city of San Francisco had asked the Ninth U.S. Circuit Court of Appeals last month to lift its suspension of a federal judge's August 2010 ruling that declared Proposition 8 unconstitutional. The couples and the city, plaintiffs in a lawsuit challenging Prop. 8, cited the appeals court's decision to put the case on hold while the...