I showered and got dressed to meet my brother. But I had some time to kill so I went out onto my terrace. As I stood watching the sunset over Manhattan, I thought about taking some more vacation—just to cross off a few more items from my blind bucket list. But the truth was, it was too late. I was staring down a tunnel and all I got was a vague hint of orange and red in the cloudy center. The light at the end of my tunnel. The lyrics to Metallica’s “No Leaf Clover” rolled through my head. Normally I would have kicked up the tune and listened to it…