A former Bush administration official abruptly resigned from his law firm in reaction to its decision to stop defending a law that bans federal recognition of gay marriages.

Paul Clement, who worked for more than three years as U.S. solicitor general under President George W. Bush, said he was leaving the Washington, D.C., office of King & Spalding LLP because he disagreed with the firm's decision to no longer represent a group of House lawmakers hoping to fend off a constitutional challenge to the Defense of Marriage Act.

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