Guaconomics: Dipping a chip into America's besieged party bowl

The American party platter is on performance enhancers - in some cases literally. The salty snacks, chicken wings, suds and crustaceans have never been more plentiful, but the regulatory state and the forces of globalization have created big distortions and nurtured hidden risks. Globalization's grocery bill is coming due. The table is now set for upheaval.