President Joe Biden is expected to issue a sweeping new executive order aimed at curbing migrant arrivals at the US-Mexico border as early as Tuesday. Under the planned order, US officials could swiftly deport migrants who enter the US illegally without processing their asylum requests once a daily threshold is met, according to CBS. That, in turn, will allow border officials to limit the amount of migrant arrivals, three unnamed sources briefed on the expected order told CBS, the BBC's...