**FILE** Local self-defense squads watch as Mexican army soldiers enter the town of La Ruana, Michoacan, Mexico, on May 20, 2013. Residents of western Mexico towns who endured months besieged by a drug cartel are cheering the arrival of hundreds of Mexican army troops. (Associated Press)

Photo by: Marco Ugarte

**FILE** Local self-defense squads watch as Mexican army soldiers enter the town of La Ruana, Michoacan, Mexico, on May 20, 2013. Residents of western Mexico towns who endured months besieged by a drug cartel are cheering the arrival of hundreds of Mexican army troops. (Associated Press)