More than two dozen U.S. lawmakers received roughly $120,000 in campaign contributions from Koch Industries in the weeks leading up to Vladimir Putin’s attack on Ukraine — money some ethics lawyers say should be returned given the company’s decision to maintain operations in Russia. U.S. lawmakers are being scrutinized for accepting campaigns contributions from the conglomerate, which is run by …

In this February 26, 2007 file photograph, Charles Koch, head of Koch Industries, talks passionately about his new book on Market Based Management. Bo Rader | Tribune News Service | Getty Images The libertarian political advocacy group Americans for Prosperity, which is backed by billionaire industrialist Charles Koch, has been rocked by an alleged extramarital affair involving a departing leader, …