Climate scientists from the European Union are raising the alarm about a new report that finds 2023 was the warmest year on record. Carlo Buontempo, director of the Copernicus Climate Change Service, joins us. And, about 170 Boeing 737 Max 9 planes are grounded after a door latch blew out on an Alaska Airlines flight over the weekend. Bloomberg News' Peter Robison explains what this incident means for the reputation of Boeing. Then, an Israeli airstrike killed journalist Hamza al-Dahdouh and a colleague on Jan. 7. Hamza is the son of Wael al-Dahdouh, Gaza's bureau chief for Al Jazeera. MSNBC's Ayman Mohyeldin knows the family and talks about the dire conditions for reporters in Gaza.

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