Watching Channing Tatum's career moves has been intriguing and inspiring. Breaking through in teen-friendly titles like Step Up and She's the Man, Tatum has since diversified his image, slaying in comedies like 21 Jump Street, somber dramas like Foxcatcher, and, like, every contemporary Steven Soderbergh film. Now, Tatum makes the next logical step -- behind the camera. As reported by Deadline, he'll be making his directorial debut with an unorthodox-sounding road trip comedy called Dog. Tatum will co-direct the film with Reid Carolin, who has written and produced many of Tatum's recent hits, including …