US Secretary of State John Kerry Friday praised a "genuine effort" by all sides negotiating a nuclear accord with Iran to get the deal done as a new deadline looms.
"We have some tough issues, but there's been a genuine effort by everybody to be serious about this and to understand the time constraints that we're working under. So we will continue to work. Tonight. Tomorrow. Sunday. And we certainly both want to try to see if we can arrive at a conclusion," Kerry said as he began a new round of talks with his Iranian counterpart Mohammad Javad Zarif.