(ROUGH CUT ONLY - NO REPORTER NARRATION)<br/> <br />The United States and top Gulf Arab ally Saudi Arabia said on Monday (March 4) that talks between Iran and world powers on a diplomatic solution to its disputed nuclear programme could not go on indefinitely.<br/> <br />Israel is convinced Tehran is secretly trying to develop nuclear weapons, has grown impatient with the protracted talks and has threatened pre-emptive war against Tehran if it deems diplomacy ultimately futile.<br/> <br />U.S. Secretary of State John Kerry said there was a finite amount of time for talks between a group of six world powers and Tehran.<br/> <br />"The focus for the moment, the first focus is the most urgent focus which remains the challenge of the nuclear programme. That is a threat that extends all throughout the region and in fact globally because of the issue of non-proliferation. So the initial focus is on that issue. And the answer to your first part of the question is: It is absolutely not unlimited. Talks will not g
