Iran remains 'obsessed' with building nuclear deterrent despite damage incurred from U.S. strikes last month, but suggests its still open to negotiation in a move that one expert warns is a ploy to buy time.

Some experts said they believe the U.S. strikes have the potential to lead to a "fork-in-the-road" moment that could result in Tehran taking an even more dangerous path.

As Iran suspends its cooperation with the International Atomic Energy Agency, its deputy foreign minister is speaking out about the damage to his country's nuclear program. NBC's Richard Engel report for TODAY from Tehran.