Iran Threatens To Cut Nuclear Deal Talks Short ''If Not Constructive''

Iran is warning that it doesn't plan to let nuclear negotiations "drag on" and has threatened to cut talks short if they are "not constructive". The fresh warning from Iranian Deputy Foreign Minister Abbas Araghchi comes the same day Tehran has initiated its uranium enrichment process up to 60% purity as retaliation for Sunday's Natanz nuclear facility sabotage attack, widely blamed on Israel.  The country's Supreme Leader Ayatollah Khamenei weighed in on this note with forceful words Wednesday, saying, "The talks shouldn’t…