(This column is based on a report submitted to the National Association of Chiefs of Police by the US Department of Homeland Security.) During Monday's edition of Fox News Channel's Glenn Beck Show, the decidely conservative host asked his viewers to answer a question: outgoing CIA Director Michael Hayden had stated that Iran was the Number One threat to the security of the United States; what country did Hayden rank as Number Two? The answer was Mexico. Meanwhile, retired U.S. Army General Barry McCaffrey, the former U.S. drug czar, told the Los Angeles Times that the Mexican government "is fighting...