President Trump is considering committing the United States to another military campaign against Iran, telling reporters this week that he would decide his next moves on Iran "within 10 days".

On the diplomatic front, senior US officials have held talks with Iranian counterparts to push for an end to Tehran's nuclear work and constraints on Iran's ballistic-missile program and regional armed proxies. This far, Iran has only offered modest concessions on its nuclear efforts.

With the Iranian regime weakened, what are the scenarios that may unfold?