GZERO WORLD with Ian Bremmer: Will President Trump Attack Iran…Again?

Despite months of negotiations, President Trump has yet to get what he wants from Iran. With US forces massed across the Middle East, he is now betting that military pressure is the only way to force concessions from Tehran. Is a limited strike or full-scale war now on the horizon? And later, GZERO unpacks a term long associated with the U.S.' involvement in the Middle East.