"What we are trying to do is preserve the FDA's role here, not have juries second-guess on a case-by-case and state-by-state basis imposing different safety obligations on manufacturers when Congress has established a regime for FDA to control this, " said Anthony Yang of the solicitor general's office.

NPR: Court: Can Generic Drug Maker Be Sued Over Design?

Canadian Mike Weir and South Africa Ernie Els were on top for the international side as they beat Jim Furyk and Anthony Kim while Asian pair Yang Yong-Eun and Ryo Ishikawa recorded an emphatic victory, downing Kenny Perry and Sean O'Hair 4 and 3.

CNN: U.S. retain Presidents Cup lead