Marijuana cartels and the Mafia

By By Ami C. Carpenter and Topher L. McDougal
Thursday, June 3, 2010 at 12:03 a.m.

Speaking at the Kroc School of Peace Studies last September, Alan Bersin, President Barack Obama’s Commissioner of U.S. Customs and Border Protection, commended Mexican President Felipe Calderón on his “courageousâ€