How Prediction Markets Work

A.M. Edition for Jan. 8. Federal and state officials square off over yesterday’s shooting of a 37-year-old woman by a U.S. Immigration and Customs Enforcement officer in Minneapolis. Plus WSJ reporter Alexander Osipovich explains how prediction-market gamblers are putting big bucks behind their bets on the next target of U.S. military action. And why users can’t get enough of LinkedIn. Luke Vargas hosts.

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