In the 2018 election cycle, a Marxist-led organization claiming more than 100,000 members in 50 states helped elect one U.S. senator, 10 members of Congress, around 70 state, county, and municipal officials, and contributed to the victory of more than 20 left-wing state and county ballot measures. Our Revolution, the vehicle organized in 2016 to carry on the Bernie Sanders movement, endorsed several hundred candidates and ballot measures. Most fell short of victory, but six new leftist members of Congress, including Alexandria Ocasio-Cortez (D-NY) and Rashida Tlaib (D-MI), and a slew of socialist state representatives, county commissioners, and school board...