A common refrain in politics is that if you want to find the root cause of certain policies or stances, simply follow the money. Last week, U.S. News & World Report did just that. [caption id="attachment_6040" align="alignleft" width="117"] Peter Bensinger[/caption] [caption id="attachment_6041" align="alignright" width="134"] Robert DuPont[/caption] Early last week, a group of former DEA administrators released a statement calling on the Department of Justice to prevent Colorado and Washington from…