President Donald Trump announced Tuesday the US will pull out of the landmark nuclear accord with Iran, dealing a profound blow to the US allies and potentially deepening the president's isolation on the world stage.

Trump's decision means Iran's government must now decide whether to follow the US and withdraw or try to salvage what's left of the deal. Iran has offered conflicting statements about what it may do — and the answer may depend on exactly how Trump exits the agreement.

Listen to the podcast for an in-depth analysis on the deal.