For Bill Piper, there’s no doubt that the nation’s war on drugs has failed, with 666,000 Americans arrested on marijuana charges last year alone. Dr. Kevin Sabet, the senior advisor to the White House Office of National Drug Control Policy from 2009-2011 and a policy consultant to a number of domestic and international operations through his company the Policy Solutions Lab, left (calling in from Skype) and right, Bill Piper, director, Drug Policy Alliance office of national affairs, participate in a newsmaker event at The National Press Club in Washington DC on legalizing marijuana, July 24, 2014 (Photo by Mary F.