India, March 12 -- Texas Republican Rep. Keith Self deliberately misgendered Delaware Rep. Sarah McBride during a House Subcommittee meeting on Tuesday, referring to the first transgender person elected to Congress as "mister." This caused an uproar, prompting the hearing on arms control and U.S. assistance to Europe to be abruptly adjourned.

During the hearing, Rep. Keith Self misgendered Rep. Sarah McBride, referring to her as "Mr. McBride" and introducing her as "the congressman from Delaware." In response, McBride called Self "Madam Chair." Ranking member Rep. Bill Keating (D-Mass.) immediately interjected, urging Self to correct his introduction.

"Mr. Chairman, you are out of order," Keating said. "Mr. Chairman, have you no decency...