In this Nov. 5, 2010 photo, a gas station is shown on the side of the highway from Saltillo to Monterrey, Mexico. With killings and disappearances to assert their authority, Mexico's drug cartels are ... more 
In this Nov. 5, 2010 photo, a gas station is shown on the side of the highway from Saltillo to Monterrey, Mexico. With killings and disappearances to assert their authority, Mexico's drug cartels are beginning to interfere with everyday government activities in pockets of the country, keeping workers off their turf and interrupting some of the most basic services. less 
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Associated Press | Photo By Carlos Jasso
Sun, Nov 7, 2010 5:46 PM EST