He's a keen student of the finest details of piano performance, as well as a deep thinker about music history, and he likes to talk about Bach's genius.

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Like most populists, Lieberman is not a deep thinker.

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For that matter, much as I loathe his dopey masquerade as a deep thinker on a par with Aristotle and Bill Moyers, Newt Gingrich is a lot more fascinating than Pippa Middleton, famous for a clingy dress.

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Hardly a week goes by without some Deep Thinker having a Shocking Epiphany: Technological innovations that are supposed to help us communicate with one another are actually isolating us inside digital bubbles.

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And deep down there is a sophisticated thinker about how to create robust organisations.

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Richard challenges conventional financial thinking with humor, deep insight and a genius simplicity that only a master thinker can convey.

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