And as I sat by the window on my flight from D.C., the sun just sinking below the horizon, the sky slipping from amber and blue into dusk, I thought about goodbyes and airports and parting hugs and last looks. I have had many of these in the past year.
Read MoreFrom a Moving Train
I feel a little as if I am on a moving train, one that stops at each station but not long enough.
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