Immigration officials see drastic rise in number of African migrants arriving at US-Mexico border
SAN ANTONIO, Texas — Valerie and her son took a walk around this city’s downtown area on Monday after spending three months on a treacherous trek from Brazil, through Central America to Texas. Valerie, a Congolese woman, fled her war-torn country with her family and is now trying to create a new life here. “We left the Congo because there…