U.S. Secretary of State Antony Blinken returns to the Middle East as the region reacts to attacks in Iran, Lebanon, and the Red Sea; the annual Consumer Electronics Show in Las Vegas previews new products and services equipped with artificial intelligence (AI); the U.S. Congress returns from its holiday recess with divisions over migration and defense aid; and the stabbing of South Korean opposition leader Lee Jae-myung stirs fears ahead of elections.   Recommended Listening   “The Year of AI and Elections,” Why It Matters   For an episode transcript and show notes, visit The World Next Week at: https://www.cfr.org/podcasts/mideast-tensions-grow-consumer-electronics-show-spotlights-ai-divided-us-congress-returns