A rise in unaccompanied minors at the US-Mexico border

One visible change since Joe Biden took office is a steady rise in the number of migrants at the US-Mexico border, including children arriving alone, often hoping to reunite with a parent or close relative in the United States. We hear the latest from The World’s immigration editor, Monica Campbell, including the imminent revival of a regional effort in Central America that would allow minors to seek asylum within their country of origin.