"I mean, we just shouldn't have gambling around issues of war and peace," Democratic Rep. Greg Casar of Texas said. Stefani Reynolds/Bloomberg via Getty Images Insider traders on both Kalshi and Polymarket have been caught recently. But the prediction market industry's critics on Capitol Hill still say they want a crackdown. AOC said that enforcement actions were being taken to "preempt any federal action." If you thought nabbing a few insider traders would quell politicians' concerns about...