Mexico’s Failure to Stem Violence Strains Relationship With U.S. – The Wall Street Journal

MEXICO CITY—Last week, hundreds of gunmen from the Sinaloa cartel overpowered military forces in fighting that killed at least a dozen people, blocked the airport and major roads, and terrorized the city of Culiacán for hours until the Mexican government capitulated and freed the son of legendary drug lord Joaquin “El Chapo” Guzmán.

The stunning display of violence shows that drug cartels here are as strong as ever nearly 15 years after the Mexican government set about to challenge them head on, often with U.S. assistance….