A Wave of PAC Money Buries Left-Wing Democrats

David Weigel: “A tidal wave of PAC money is transforming Democratic primaries, blindsiding left-wing candidates who went into the cycle targeting a handful of safe seats. Last year’s U.S. House special election in Cleveland, where last-minute money helped beat former Sanders presidential campaign co-chair Nina Turner, left a playbook behind — one that some pro-business and pro-Israel groups hope they can use to defend like-minded candidates against liberal challenges.”