"The NPT, a cornerstone of the non-proliferation regime, has been manipulated into a political weapon," Iran's U.N. envoy said.

The world grappled Sunday with the enormous implications after the United States inserted itself into Israel’s war against Iran with an attack that raised urgent questions about what remained of

The future of Iran’s nuclear program will depend in part on the extent of the damage from the U.S. attacks and Tehran’s negotiating position in the coming days.