Transcript
ROBERT SIEGEL, HOST:
After two days of nuclear talks with his Iranian counterpart, Secretary of State John Kerry is returning to Washington. Sunday is the deadline for a deal to limit Iran's nuclear program in exchange for lifting economic sanctions. NPR's Peter Kenyon reports from Vienna that the talks could be extended.
PETER KENYON, BYLINE: Amid crises unfolding around the Middle East, Kerry took time to focus on the Iran nuclear talks as they near a July 20th deadline.