A top Russian oligarch and ally of Vladimir Putin openly stated that his country has engaged in U.S. election meddling and would continue doing so in future elections. That’s not exactly news, even if it’s the first such admission by someone so close to Putin. But the methods of meddling are what merit more congressional scrutiny because a gaping hole for exploitation remains in the U.S. election system: dark campaign money. U.S. law forbids the acceptance of foreign campaign donations, but federal law effectively allows for foreign donations to flood in surreptitiously through political actio...