The “Millennial Left” Is The New “Old Left”

History professor Andrew Hartman argues that today’s “Millennial left” more closely resembles the 1930s “Old Left” than the 1970s “New Left.” He’s right: The ‘70s movement was led by Boomers who rebelled against cultural oppression and the Vietnam War, while the ‘30s movement was led by G.I.s who, coming out of the Great Depression, “sought a genuine al…