Israeli Prime Minister Benjamin Netanyahu (left) with U.S. Ambassador Dan Shapiro (right). Photo: wiki commons.

The U.S. is “not setting deadlines” for Iran and still considers negotiations to be “by far the best approach” to prevent Iran from developing nuclear weapons, U.S. Secretary of State Hillary Clinton told Bloomberg in an interview published Monday.

Speaking to Bloomberg Radio on Sunday after the conclusion of meetings at an Asia-Pacific forum in Vladivostok, Russia, Clinton said that economic sanctions are affecting Iran and the U.S. is “watching very carefully about what [the Iranians] do, because it’s always been more about their actions than their words.”

Clinton’s comments were published just hours after Republican presidential candidate Mitt Romney slammed President Barack Obama’s policy on Iran on NBC‘s “Meet the Press,” dubbing it his “greatest failure.”

Israeli Prime Minister Benjamin Netanyahu recently said that the international community was not doing enough to slow Iran’s nuclear progress. “This is a brutal regime that is racing ahead with its nuclear program because it doesn’t see a clear red line from the international community and it doesn’t see the necessary resolve and determination from the international community,” Netanyahu said.