Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Trump Constitutional Challenge to Congress Over Adjournment a Long Shot Katherine Gypson WASHINGTON - President Donald Trumpwarnedthis week that hemightuse a never-before-invoked power under the U.S.Constitution to adjourn the Congressunless it took steps to confirma number ofhis appointments. But lawmakers andlegalscholars say the move is unlikely and not actuallypermissiblein the way the president is trying to use it. "It's a huge unprecedented power grab for the executive branch to tell Congress when they are adjourned or to adjourn them for themselves. It's just never been done, even in times of war and depression," said CaseyBurgat, an expert incongressional procedure at the George Washington University Graduate School of Political Management. .