Arizona’s newest Sen. Ruben Gallego has a history as a progressive firebrand. But, his first moves as a sitting senator have the progressive left up in arms. He voted for and cosponsored the Laken Riley Act, which requires undocumented immigrants who are arrested for a theft or a violent crime to be held in jail until they go to trial. Immigrant activists have said it allows for the detention of people who haven’t been convicted of any crime. But Gallego says it’s about giving law enforcement the tools they need when undocumented immigrants break the law. It’s what Elvia Diaz,...