The flurry of sexual harassment and assault allegations against Hollywood mogul Harvey Weinstein confirms an unsettling truth that deep down we already knew. There's a reason "casting couch" has become a grotesquely ubiquitous term. We have long quietly assumed that big-time movie producers exploit their power to sexually exploit women. We should have heeded the warning signs. The smoke has been there for a long time. Of course the faint plumes were evidence of a fire raging, a fire we both did not imagine and yet knew was burning.