Eric Walker added Koch’s America: the Rule of the New Robber Barons - CounterPunch.org to a number of topics
Eric Walker added Inside the Koch Brothers’ Toxic Empire – Rolling Stone to a number of topics
Eric Walker added Koch Brothers' Activism Protects Their 50 Years in Canadian Heavy Oils - Reuters to a number of topics
Eric Walker added a number of topics and a number of links to Minnesota, and added Minnesota to US states and territories
Eric Walker added a number of links to Pine Bend refinery, and added Pine Bend refinery to Flint Hills Resources and Minnesota