NEW DELHI (AP) — Iran ’s foreign minister said a lack of trust is the biggest obstacle in negotiations to end the war with the U.S., saying Friday that Tehran would be open to diplomatic help, particularly from China, to help ease tensions . Iranian Foreign Minister Abbas Araghchi said contradictory messages have “made us reluctant about the real intentions of Americans.” “We are in doubt about their seriousness,” he told reporters in New Delhi , adding that negotiations would move forward if