Trump, Hegseth’s ‘cavalier attitude’ towards U.S. deaths in Iran is ‘unacceptable,’ says Vindman

Tonight on The Last Word: Trump's Iran war reaches Iraq and Vietnam disapproval levels. Plus, Trump threatens to raise tariffs on EU cars to 25%. Also, May Day protests reflect growing economic unrest. And Democrats fight back against Trump and GOP on voting rights. Rep. Eugene Vindman, Robert Reich, Leah Greenberg, Rep. James Walkinshaw and Dr. Vin Gupta join Ali Velshi.