The Mississippi River is one of the most important waterways on earth. For nearly a century man has tried to tame it. Measuring 2,300 miles from start to end, the great river requires skill and endurance to navigate in its entirety, an accomplishment few have done. Marcus, a scientist, ex-marine, and trash-obsessed environmentalist; Stephen, a professional angler and outdoorsman; and Bill, a filmmaker, blogger and traveler set out to