Marco Rubio: “These people can never have nuclear weapons.”

I think slaughtering 10,000 of your own people in protests is a violation of the U.N. - I hope it's a violation of the U.N. principles.

I think the fundamental challenge, and it's really at the core of what Iran needs to decide - do they want to be a country or do they want to be a revolution?

“Obviously this is a long-term project,” U.S. Secretary of State Marco Rubio said. “It’s not something that can happen in six months. But at least [this] gives people a hope. Here’s the future that awaits you if everyone does their part.”

Both sides have expressed an interest in some limited ceasefire that involved grain and energy.