POSTED: Thursday, February 26, 2009 - 7:57am
UPDATED: Wednesday, February 17, 2010 - 2:23pm
Our country's new Homeland Security Chief says part of the blame for Mexico's drug violence rests with us.
Janet Napolitano talked publicly for the first time since her appointment by President Barack Obama.
She says the United States needs to cut off the cartel's gun supply at the source.