Democrats, Republicans and 'Socialism' -- John Nichols talks about Milwaukee, America's socialist city for 50 years. Also: Plastics and Petrochemicals: An estimated 8 tons of plastic end up in the oceans per year. But the real problem is the manufacturing of plastics. Zoë Carpenter explains. Plus, Climate Change in the City: Ben Ehrenreich reports from Commerce, CA. on a community movement fighting for environmental justice.