William Banks, a professor at Syracuse Law School, discusses law enforcement efforts after several high-profile democrats, public figures, and the CNN newsroom in New York received apparent explosive devices over the course of several days. Plus, Charles Warren, chair of the environmental practice at Kramer, Levin, Naftalis and Frankel, discusses a lawsuit against Exxon Mobil Corp. brought by New York attorney General Barbara Underwood, who accuses the company of misleading investors regarding the risks that climate change pose to its business. They speak with Bloomberg's June Grasso. 

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