Guiding Your Flight Progress

The Power of Dashboards

AT THE RIPE AGE OF ELEVEN, Johnny Tart experienced his first summer heat wave. Temperatures maxed out at a sticky 104°F. As he sat lazily at his front window one Friday afternoon, he noticed how miserable the commuters looked walking home from the train station. His Chicago suburb was a sleepy one. There was nowhere to stop for a cold drink. Johnny leapt from his perch as an idea took shape in his mind. He would quench the thirst of the local commuters! He would set up a lemonade stand.

Johnny was not the first person in his neighborhood to sell lemonade. The previous summer, his neighbor ...

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