Corey Young, a founder of courier service CannaRabbit LLC, picks up a delivery of marijuana from a dispensary as part of a wholesale transfer in Denver, Colorado, U.S., on Friday, March 27, 2015. CannaRabbit and peers are rushing in as regional truckers and nationwide haulers United Parcel Service Inc. and FedEx Corp. steer clear of transporting marijuana on concerns over the lack of nationwide clearance of a practice that is still illegal in most states. Photographer: Matthew Staver/Bloomberg via Getty Images
