As Secretary of State John Kerry heads to Vienna Friday seeking to complete an agreement restricting Iran’s nuclear activities, two senior Obama administration officials rejected suggestions that the administration is backtracking on its demands in its eagerness for a deal. The U.S. is standing firm in insisting that Iran must grant access and transparency so that United Nations inspectors can verify that its nuclear program is solely for peaceful purposes, according to the officials, who are close to the negotiations and spoke on condition of anonymity. The officials’ insistence that Iran must adhere to the strict terms of an April 2 framework for a deal is significant because skeptics of a deal with Iran have raised alarms that U.S. negotiators are backsliding on their demands. “Despite getting virtually nothing in return, the president has handed Iran concession after concession after concession,” Republican House Speaker John Boehner of Ohio told […]