Emile, Micah, Sohrab, and John discuss the train derailment in East Palestine, OH, that has prompted questions about the government's response to residents' potential exposure to toxic material--and whether a lax regulatory environment contributed to the crash. Plus, the US military shot down 3 more unidentified objects over US and Canadian airspace since the Chinese spy balloon, and Nikki Haley launches her bid for the presidency.   Picks of the week:   Emile: Why Won't the New York Times Say 'Chiefs'?, John Hirschauer Micah: This Too Shall Last, Carmel Richardson Sohrab: Vance Asks the Right Questions, Harry Scherer John: Unwanted Pregnancy Is Not 'Involuntary Servitude', James J. Heaney