For some, it was only a matter of time before Mexico’s most infamous drug lord escaped. After being captured just last February, Joaquin “El Chapo” Guzman spent less than 18 months in police custody before it was discovered last weekend that he was no longer in his cell. Instead, prison security discovered a hole that led down into an elaborate tunnel complete with lighting and air conditioning, an engineering feat more likely the result of rampant corruption than the tenacious resourcefulness of one man. For a country at war with its drug cartels, the failure of Mexico’s government to keep…