HOUR 3 (10/28): Too busy to text back, or just avoiding the conversation? Gary and Shannon unpack texting etiquette, unanswered messages and the assumptions we make when someone goes silent. Plus, warnings about a powerful El Niño, Israel’s election deadlock and the political fights brewing ahead of the midterms. Then, a robot-hacking experiment raises an unsettling question: What happens when someone hijacks the machine that’s supposed to help you?