Thirty Democrats disillusioned with their party’s struggles in Middle America have unveiled a new group aimed at expanding its base beyond just the two coasts. The initiative, which comprises current and former mayors, governors, cabinet members and lawmakers, comes complete with a catchy new title, “New Democracy.” If that name sounds familiar, it’s because it was the same as that given by Mao Zedong to his theory of democracy in Communist China. “In a word, new-democratic culture is the proletarian-led, anti-imperialist and anti-feudal culture of the broad masses,” Mao wrote on New Democracy in 1940, nine years before coming to...