President Joe Biden departed the United States for Angola on Sunday night, making good on his promise to visit the African continent before his term ends in January.

In Angola on likely his last overseas trip in office, the president will tour a slavery museum and spotlight a rail corridor that is part of his administration’s strategy in the region.

National security adviser Jake Sullivan said Sunday that the White House is not considering returning nuclear weapons to Ukraine.

The United States is not considering returning to Ukraine the nuclear weapons it gave up after the Soviet Union collapsed, White House national security adviser Jake Sullivan said on Sunday. Sullivan made his remarks when questioned about a New York Times article last month that said some unidentified Western officials had suggested U.