Lionsgate has released the first trailer for Clark Duke’s directorial debut Arkansas, in which he and Liam Hemsworth play a couple of low-level drug couriers who run afoul of their boss, played by Vince Vaughn. Based on the novel by John Brandon, which Duke adapted with Andrew Boonkrong, the film examines how organized crime is awfully disorganized down South, where kingpin Frog (Vaughn) calls the shots. His subordinates, Kyle (Hemsworth) and Swin (Duke), pose as junior park rangers by day and run drugs at night under the watchful eye of Frog's proxies, played by John Malkovich and …