For maverick entrepreneur Ian Cox, Africa is the last frontier of free enterprise. The former small-time hustler has been busting his ass on the continent for years, selling and moving merchandise. In 2012 he nabbed a lucrative United Nations contract to transport equipment from South Africa to South Sudan, a country on many countries' embargo list. The other problem: the journey north entails passing through countless checkpoints and dealing with bribe-happy officials and their nonsensical paperwork and regulations.