“The reason we’re seeing all this money is because of a case in the U.S. Supreme Court two years ago called Citizens United, which basically said companies and labor unions are free to spend as much money as they want on politics, independent of candidates and campaigns. So they can’t coordinate. But they can use union treasuries, they can use corporate treasuries, and they can spend as much as they want. So that’s where all the money is coming from.”

— Kai Ryssdal on today’s KPCC’s Take Two show. Listen to the full interview here.