The US vice president is on his way to Pakistan for what should be peace talks with Iran, but there are now doubts if the meeting will happen. Iran says it will not engage with the US unless Israel stops attacking Lebanon, and Washington unfreezes sanctioned Iranian assets. Pakistan’s prime minister has called this a make or break moment, and with ramifications for the entire world. Craig Boswell reports from Washington.
US warns it will resume attacks on Iran if negotiations fail
