Feds probe 'mention markets.' And, lawmakers call for investigation into USS Lincoln

Poor Conditions on USS Lincoln, Economic Warfare on Iran, Ukraine's Drone Campaign Good morning. You're reading the Up First newsletter. Subscribe here to get it delivered to your inbox, and listen to the Up First podcast for all the news you need to start your day. Today's top stories Federal regulators are reviewing "mention markets" on prediction market sites like Kalshi, according to two people with direct knowledge of the probe who spoke to NPR on the condition of anonymity because they were not authorized to speak publicly. Mention markets allow bettors to wager on the word choices of public figures, including President Trump. Kalshi has removed all mention markets from its betting offerings as the Commodity Futures Trading Commission conducts its inquiry. While most sports betting on the site involves the action of the game, this form of betting has become increasingly popular. Kalshi is still allowing wagers related to what people say at political events, earnings calls and live TV newscasts. The CFTC's probe notably comes after it was revealed last month that Trump's teleprompter operator had been profiting from betting on his exact words during public appearances. Federal...