Elizabeth Warren: 'Trump Embarrasses America on The World Stage'

On Wednesday's broadcast of MSNBC's "The Last Word With Lawrence O'Donnell," 2020 presidential hopeful Sen. Elizabeth Warren (D-MA) said Canadian Prime Minister Justin Trudeau, French President Emmanuel Macron, and British Prime Minister Boris Johnson being caught on tape seemingly joking about President Donald Trump shows the president "embarrasses America on the world stage."