ROUGH CUT (NO REPORTER NARRATION)<br/> <br />STORY: U.S. Secretary of State John Kerry said on Saturday there were still serious gaps in talks over Iran's nuclear program despite signs of some progress two days before a deadline to reach a deal between Tehran and major powers.<br/> <br />"We're working hard," Kerry said ahead of a meeting with German Foreign Minister Frank-Walter Steinmeier. "We hope we're making careful progress, but we have big gaps, we still have some serious gaps, which we're working to close."
