When Bruce Springsteen walked onstage, he didn’t mince words.

In the span of about 13 hours on Thursday, amid the intensifying Iran war and Attorney General Pam Bondi’s firing, President Donald Trump sent out two social media posts attacking Bruce Springsteen.

During the fiery show, the rocker reminded the sold-out crowd that federal immigration troops “ brought death and terror ” to the city’s streets in January, a reference to the killings of American civ...