Saudi Arabia & Syria, Women of Pan Am, Lead in Pipes

The US blames Saudi Arabia’s crown prince for a brutal murder, but President Biden won’t punish him directly. Also, Pan Am stewardesses were central to the glamour in the early days of air travel, but they were so much more than a pretty face. Then, how artificial intelligence helps cities decide where to dig first when replacing old lead water pipes. Also on today's show: meet a man whose sole job is to sculpt life-size cars before the final design hits the assembly line, and why there’s a new facial recognition app for cows.