The following video is part of our "Motley Fool Conversations" series, in which health-care editor/analyst David Williamson and industrials editor/analyst Isaac Pino discuss topics across the investing world.

In this video, David and Isaac talk about the recent turmoil in the executive offices for both Chesapeake and AstraZeneca. Focusing in on the big pharma company, David recaps CEO David Brennan's tenure, the challenges  AstraZeneca has ahead, and if investors should look at this stock as a bad news buy.

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