"Pessimists, we're told, look at a glass containing 50% air and 50% water and see it as half empty. Optimists, in contrast, see it as half full. Engineers, of course, understand the glass is twice as big as it needs to be."

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Source: POLITICO's interview with Bob McDonnell. Interview with Andy Barr, www.politico.com. February 7, 2011.

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Bob Lewis

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Bob Lewis is a prominent thought leader known for his insights on leadership and success, particularly in the realm of business strategy.

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