I can’t believe you’re gone.Earlier today, my sister was on twitter (as always) and she yelled my name. I came running to see what had happened. She didn’t say anything, just pointed to the computer screen. I read the words in front of her shaky finger, but I didn’t process them; I couldn’t. I didn’t want to either.You’re the third to die in four months. Frankly, one is too many. But...