U.S. President Joe Biden said on Thursday he will visit Angola in a trip that could mark renewed engagement with Africa at a time of international turmoil. "I have been there and I will be back," Biden said when asked about visiting the country during an Oval Office meeting with his Angolan counterpart, Joao Lourenco. Biden did not specify when the meeting would take place.
Authorities on both sides of the U.S.-Mexico border are investigating a sprawling underground passage uncovered in the Tijuana area that is believed to extend toward the United States....