Many migrants are effectively stranded in Mexico now that President Donald Trump has closed the US southern border. Trump announced he's putting billions into artificial intelligence. We'll also tell you about some administrative changes the President made. A former prosecutor in Ahmaud Arbery’s case will stand trial for charges related to the police investigation into his death. Plus, one US airline is accepting a new form of payment for flights. Learn more about your ad choices. Visit podcastchoices.com/adchoices