WASHINGTON, United States (AFP) — Conservative billionaire power broker Charles Koch said Monday he is not backing Donald Trump, claiming the presumptive Republican presidential nominee’s principles are “antithetical” to his. In an interview at the Fortune Brainstorm Tech conference in Aspen, Colorado, Koch spoke about Trump and presumptive Democratic nominee Hillary Clinton, saying: “I see two people that as of this point we’re not supporting.” “If I had to vote for cancer or a heart […]