Eric Walker added Exclusive: California Grand Jury Probing Shadowy Money Groups to a number of topics

Eric Walker added Report: Think tanks tied to Kochs - POLITICO to a number of topics

Eric Walker added a number of topics and a number of links to State Policy Network (SPN), and added State Policy Network (SPN) to Koch political network

Eric Walker added a number of topics and a number of links to Koch political network, and added Koch political network to Koch network

Eric Walker added a number of topics and National Report | StinkTanks.org to Think tanks, and added Think tanks to Organizations and businesses involved in government and politics

Eric Walker added Report: Think tanks tied to Kochs - POLITICO and Exclusive: California Grand Jury Probing Shadowy Money Groups to Americans for Tax Reform, and added Americans for Tax Reform to Koch political network, Research institutes focusing on government and politics and State Policy Network