Wall Street Journal: “White House officials are among those grappling with how deeply political betting has worked itself into the fabric of Washington, a town that runs on information traded in the marble halls of Congress, on the sidelines of campaign events and at after-work happy hours on K Street.”“The exploding popularity of prediction markets such as Polymarket and Kalshi with young staffers who have access to this information has created a pervasive temptation that is growing in advance of November’s elections.”