U.S. patient advocate groups and labor unions are ratcheting up their effort to convince the Obama administration to back away from provisions it has proposed in the Trans-Pacific Partnership (TPP) negotiations that the groups fear could help multinational drug companies drive up pharmaceutical prices under public health programs in the United States. These groups -- which include the American Association of Retired Persons (AARP) and the American Federation of State, County and Municipal Employees (AFSCME) -- are urging senators to...