As it continues to pour money into Afghanistan, the United States must increase its focus and resources on work in Mexico, an influential former four-star argued today. Retired Gen. Barry McCaffrey, speaking at a breakfast sponsored by the National Defense Industrial Association at the Army Navy Club in Washington, called on the Obama administration to focus on Mexico, citing the country's proximity, its numerous and vexing security-related problems and its important role in the United States economy. Last year, U.S...