U.S President Joe Biden tapped Vice President Kamala Harris to oversee efforts to slow the rush of migrants to the country's southern border, yesterday. The move comes amid rising alarm in the U.S. over a surge of migrants -- including an increase in unaccompanied children -- as the Biden administration seeks to reform many of the previous president's immigration policies. Biden called Harris “the most qualified person” to lead the U.S. dialogue with Mexico and Central American countries “that are going to need help in stemming the movement of so many folks.” Speaking yesterday, Harris reiterated the administration's warnings to migrants not to attempt the journey to the U.S., and promised to tackle root causes of migration in Central America. (