Major American foundations have given millions of dollars in funding to Islamic organizations accused of having ties to radical Islamist movements or designated terrorist organizations and a group of activists are trying to convince them to stop. Groups like Islamic Relief Worldwide, which some countries have banned for allegedly funding Hamas and other terrorist organizations, have received millions of dollars from corporate charities like the GE Foundation, community foundations like the Silicon Valley Community Foundation, and independent foundations like George Soros’ Open Society Foundation.Researchers with the Middle East Forum, an activist group devoted to promoting American interests abroad, identified the financial...