Biden assigns Harris to lead diplomatic efforts to stem crisis at US-Mexico border

President Joe Biden is tasking Vice President Kamala Harris with overseeing efforts with Central American countries to stem the flow of migrants to the US southern border, senior administration officials said on Wednesday, the first major issue Biden has assigned directly to his No. 2.President Joe Biden is tasking Vice President Kamala Harris with overseeing efforts with Central American countries to stem the flow of migrants to the US southern border, senior administration officials said on Wednesday, the first major issue Biden has assigned directly to his No. 2.