Middle East Standoff: Trump's 'Decapitation' Warning Meets Iranian Denial as Ukraine Shuffles Diplomacy

President Donald Trump claimed Monday that negotiations with Iran are "going on right now" and warned Tehran this is its "last chance before decapitation"—language that immediately spooked markets and sent oil prices tumbling over 5%. He said he agreed to talks at the request of Saudi Arabia, the UAE, and Qatar, with reopening the Strait of Hormuz and Iran's denuclearization as the two core...