U.S. Elections Romney: Iran's Nuclear Progress Is Obama's Biggest Foreign Policy Failure

Speaking to NBC's 'Meet the Press,' Republican presidential candidate says Tehran closer to achieving nuclear capabilities than when Obama entered office in 2008.

U.S. President Barack Obama's policy on Iran represents his single worst foreign policy failure, Republican presidential candidate Mitt Romney said in an interview on Sunday, saying that Iran was closer to having "nuclear capability" than when Obama took office in 2008.