Last week, we explored why Donald Trump's supporters connected with him in such a visceral way. Today, we look to the opposite end of the spectrum to the supporters of Sen. Bernie Sanders. The similarities may surprise you. 

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Pennsylvania native Korry Franke is a major airline captain, speaker, and the author of 3 Feet to the Left: A New Captain’s Journey from Pursuit to Perspective. He believes America has lost its way. To find its course again, Korry says America must rediscover the keystone that drives and unites us. Now, through his Keystone Letters, he unpacks for his neighbors in Pennsylvania and beyond his vision for what that keystone is and how we can put it to use in reigniting the American spirit.