Climate scientist Joelle Gergis says the fires in Australia are "redefining what it means to actually be living through a period of rapid climate change." Holly Williams reports. The new edition of "West Side Story" will project video on a scale never before seen on Broadway. Bill Whitaker gets a front row seat. Scott Pelley investigate how a rumor about a mysterious server in Ukraine led, in part, to President Trump’s impeachment. Those stories on this week's "60 Minutes."

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