What's the Kennection? #38

Welcome to Kennections, a weekly quiz created by Jeopardy! champion/co-host Ken Jennings. Here's how to play: All five answers to the questions below have something in common. Can you figure it out? (Note: We've given you a hint by showing you how many letters are contained within the answer, but this quiz is not interactive.)

1.  A national hero on two continents, Lafayette held what title in the French nobility, higher than a comte but lower than a duc?

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2. What Fort Worth-based carrier used the ad slogan “Something special in the air” for over 15 years?

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3. As They Might Be Giants reminded us, New York was known by what name when it was a Dutch colony?

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4.  The Cocoanut Grove was located in what Los Angeles hotel, where Robert Kennedy was assassinated in 1968?

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5. What playwright fictionalized his own youth in his “Eugene trilogy,” beginning with Brighton Beach Memoirs and Biloxi Blues?

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