WASHINGTON -- US sanctions experts say the Trump administration's new campaign to economically isolate Iran could be an effective escalation -- but only if Washington backs its threats with action. US Treasury Secretary Scott Bessent unveiled what he called “Operation Economic Outcast” on...

Should Trump "take action, our confrontation will be like an earthquake", the head of Iran's supreme national security council has warned.

Experts say the Trump administration can also try these options: Sanctions on Chinese 'Teapot' refineries, targeting entities and individuals helping Iran evade sanctions, and a…