What's the key to being really productive? Pulitzer Prize-winning author Charles Duhigg offers some insights from his new book, Smarter Faster Better: The Secrets of Being More Productive in Life and Business. And our analysts weigh in on earnings news from Bojangles, Shake Shack, and Dollar General. For Jeff Fischer's free crash course on options, go to OptionsRadio.Fool.com. 

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