In Donald Trump’s inaugural address he promised to save America from crime and disorder. ‘This American carnage stops right here, right now,’ he said. Four months into his presidency, editor-in-chief of Slate, Julia Turner, discusses Trump’s progress with data editor of The Guardian US Mona Chalabi, Pulitzer Prize-winning author Colson Whitehead, and George Saunders, whose New Yorker story Who Are All These Trump Supporters? pictured a country savagely divided along ideological lines, each with its own customised, ‘trusted’ information sources.