Worried about the price of beer going up? You can relax — the U.S. government has your back. Last week, the Department of Justice filed a lawsuit against Anheuser-Busch InBev SA to prevent the company from purchasing Grupo Modelo, the makers of Corona, for fear that it would result in higher U.S. beer prices. If the $20.1 billion deal between the largest and the third largest beer makers is inked, Anheuser-Busch would control 46 percent of the beer sales in the U.S.