BuzzFeed News: “His brand — a reluctant, rumpled guy fighting for you — also demands that he not appear too eager to be president. Right now, though, there is no Democrat working harder to build a national profile. … He is imprinting his slogan — his advisers prefer to call it a mantra or mission statement — onto the brains of anyone watching. On a good day, he can work ‘dignity of work’ into an interview at least six times.”

