WATCH: Kalshi founders talk insider trading, gambling, Don Jr. on "The Axios Show"

The co-founders of predictions market Kalshi said in the latest episode of "The Axios Show" that they're playing by the rules and benefiting society — even if a growing number of politicians and anti-gambling activists disagree.Why it matters: Kalshi has become very big business, last month taking nearly $13 billion of bets on everything from sporting events to elections to where Taylor Swift and Travis Kelce will get married.The WSJ recently reported that the New York-based company is raising n...