David Koch is leaving Koch Industries and stepping down from Americans for Prosperity

Citing concerns about Donald Trump’s style and substance, the network refused to endorse either presidential candidate in the 2016 election. And while they have praised Trump’s policies on taxes, deregulation and healthcare, they have aggressively attacked the Republican administration’s trade policies. On Monday, the Koch network announced a multimillion-dollar campaign to oppose Trump’s tariffs and highlight the benefit of free trade.