Overview: From the internationally best-selling author of the acclaimed novel The Power of the Dog comes The Cartel, a gripping, true-to-life, ripped-from-the-headlines epic story of power, corruption, revenge, and justice spanning the past decade of the Mexican-American drug wars. It's 2004. DEA agent Art Keller has been fighting the war on drugs for thirty years in a blood feud against Adan Barrera, the head of El Federacion, the world's most powerful...