In recent years, the world has learned just what is required to bravely serve America through the navy's most elite SEAL Team. Now, for the first time, we hear from their commander.For more than half a decade, Ryan Zinke was a commander at the most elite SEAL unit. A 23-year veteran of the US Navy SEALs, Zinke is a decorated officer and earned two Bronze Stars as the acting commander of Joint Special Forces in Iraq. Zinke trained and commanded many...