President Trump pledged a $5,000 payout to U.S. adults on Wednesday, but only if Republicans hold onto their majority in Congress come November. “Here is my promise: if the Republicans win the House of Representatives and the United States Senate, both of them … because of our tremendous strength and success economically, I will issue a dividend to every adult citizen in the United States of America for $5,000,” he said at the GOP’s midterm convention in Dallas, Texas. The legality of this disbursal is unclear. There are about 270 million adults in the U.S. Trump told attendees Wednesday that...