Iran and 6 world powers begin nuke talks

ISTANBUL — Diplomats on Friday said Iran and six world powers have begun talks to reduce concerns over Teheran's nuclear program.
A diplomat familiar with the talks said that on Tuesday that the powers will seek to nudge Iran toward acknowledging the need to reduce worries it might turn its uranium enrichment program to making weapons. He asked for anonymity because the talks are closed.
The two sides emerged from talks last month with wide differences. Iran insists it will never give into demand it give up enrichment, despite UN sanctions.