Former liberal talk radio host Jim Hightower emerged from his present-day obscurity to spew venom at wealthy oil executives on national television Tuesday night. Hightower appeared on MSNBC’s All In with Chris Hayes to comment on the news that Exxon Mobil CEO Rex Tillerson has joined a lawsuit to block construction of a 160-foot water tower near his property in Texas. The tower would supply water for, among other purposes, hydraulic fracturing, commonly known as fracking. This was notable to MSNBC because Tillerson, whose company engages in fracking, cited concerns about fracking-related noi...