With prediction markets booming, so have concerns about insider trading. Now, Kalshi has disclosed its first public actions against accounts suspected of trading on confidential information.

If this is what a Cavapoo can do, goodness knows what a Border Collie would code.

T he cellphone videos of the predator-catching plot are shaky, but they show the seconds before the lives of two strangers — and many of the college students recording them — ...