The Government Accountability Office (GAO) has agreed to investigate how sole-source supply contracts with infant formula makers contributed to formula shortages and impacted the price of formula in the United States, Sen. Chuck Grassley (R-IA) announced Tuesday (Oct. 25) after he and several other GOP senators called for GAO chief Gene Dodaro to investigate the contracting practices. The senators say sole-source contracting practices have negatively affected retailers and buyers that participate in the Special Supplemental Nutrition Program for Women, Infants...