ISLAMABAD, PAKISTAN - APRIL 11: (R-L) U.S. Vice President JD Vance shakes hands with Pakistan's Prime Minister Shehbaz Sharif during their meeting on April 11, 2026 at Islamabad, Pakistan. The proposed meeting marks a rare direct engagement between senior U.S. and Iranian officials, as Washington and Tehran seek to advance stalled negotiations over Iran's nuclear programme, with Pakistan serving as neutral ground amid persistent tensions between the two countries. (Photo by Jacquelyn Martin - Pool/Getty Images)