As the host of the United Nations, the U.S. is supposed to let everyone come to the annual U.N. General Assembly, not just the people it likes.
But this year, the proposition is being put to the test. Sudan's president, Omar al-Bashir, was indicted three years ago by the International Criminal Court on genocide charges stemming from the mass killings in Sudan's western Darfur region.
Bashir has also applied for a visa to the U.N. meetings next week.
"Such a trip would be deplorable, cynical and hugely inappropriate," says Samantha Power, the U.S.