Presidential candidate Bernie Sanders spent his summer rejecting attempts by journalists to goad him into a fight with Hillary Clinton, saying he liked and respected his Democratic rival and wanted the campaign to be about ideas and not personalities. <br /> <br />But the Vermont Independent appears to be fed up with niceties after a pro-Clinton super-PAC reportedly shoveled dirt on Sanders to a reporter.<br /> <br />In an email to campaign supporters on Tuesday, Sanders linked Clinton to three things her campaign has been trying to disassociate itself from: Wealthy donors, dirty tactics and, yes, even the biggest boogeymen in left-wing American politics — the billionaire industrialists Charles and David Koch.<br /> <br />Full story: http://thehill.com/blogs/ballot-box/presidential-races/253694-sanders-goes-on-the-attack-against-clinton