Russian oligarchs, Chinese nationals, and Iranian regime allies have served on the boards of many major U.S. nonprofits, often using their positions as a way to legitimize U.S. adversaries among the American people and push for favorable policies. A new piece of legislation from Sen. Tom Cotton (R., Ark.) would outlaw that practice, the Washington Free Beacon has learned. Cotton on Wednesday introduced a bill that would prohibit certain foreign nationals linked to China, Russia, Iran, North