Many Questions, Few Answers on U.S. Claims of Iran Violations

Nikki R. Haley, the American ambassador to the United Nations, presented what she said was evidence that Iran was violating one of its international agreements. John Ismay, a Times reporter, said the evidence fell short of proving her claims.

Nikki Haley Says Women Who Accuse Trump of Misconduct ‘Should Be Heard’

The comments by Ms. Haley, the United Nations ambassador, were a break from the administration’s assertions that the allegations have no merit and should be dismissed.

Trump Tightens Cuba Embargo, Restricting Access to Hotels and Businesses

The new rules, intended to direct money away from the military, limit ties with Cuba just as President Trump pushes business deals with Communist China.

Diplomatic Memo: For Nikki Haley, an Establishment Tutorial in Statecraft

At a panel discussion, former secretaries of state Condoleezza Rice and Madeleine K. Albright coached President Trump’s ambassador to the United Nations.

Now U.S. Has Company in Raising Pressure on Iran Over Missile

In a letter to the United Nations Security Council, the four Western allies called Iran’s satellite launch last week “threatening and provocative.”