Anchor cites Biggie Smalls in report on book 'Warning' against Trump

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A new book, from an anonymous Trump critic who is an alleged senior official in the Trump administration, gives an inside look inside Trump’s problematic and chaotic White House. MSNBC’s Ari Melber compares the new book to Biggie Small’s infamous song ‘Warning,’ giving a heads up about a close acquaintance, who later turned on him.