Show Caption Hide Caption The Iran war is testing Trump’s “America First” messageTrump spent years criticizing prolonged U.S. wars overseas. Now, his own war with Iran is fueling backlash from some of his strongest supporters.President Donald Trump led an insurgent takeover of the Republican Party. Now one prominent MAGA dissident believes the same playbook could be used by conservative critics of the Iran war.After resigning from the Trump administration over his opposition to the conflict, Joe Kent has been exploring how to channel anti-war sentiment into political action. Trump led the MAGA movement astray with the war, he believes. War...