As Jacob S. Hacker and Paul Pierson powerfully demonstrate, the grave threats faced by American democracy did not start with Donald Trump, nor will they end with him-instead, they were created by a Republican Party that marries plutocracy and white nationalism. With its constituencies shrinking, this alliance is fighting ever harder to rig democracy against the majority of Americans who oppose it. Let Them Eat Tweets authoritatively explains the doom loop of tax cutting and fearmongering that defines the GOP-and reveals how the rest of us can fight back.