I must confess to a guilty pleasure — I love the ABC TV show "Shark Tank," which gives budding entrepreneurs a chance to realize their dreams with a business deal that could be worth millions. Though "Shark Tank" is highly entertaining — although, at times, unnecessarily brutal — it's also quite instructional when it comes to high-stakes presentations. With so much on the line, wannabe entrepreneurs must give the pitch of a lifetime — one that requires them to project confidence, credibility andconviction from start to finish.
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