FILE - This undated file photo provided Nov. 17, 2010, by Goodman Media International, Inc., shows Donald Berwick, the official quarterbacking the overhaul of the nation's medical system, installed last year by President Barack Obama as a recess appointment, bypassing the Senate. Unable to repeal Obama's health care law, 42 Republican senators asked Obama in a letter released Thursday, March 3, 2011, to withdraw his nomination of Berwick as Medicare administrator. (AP Photo/Goodman Media International, Inc., File) NO SALES.