I was sitting in the bright sun watching a college football game next to my dad last fall, talking with him about the book I’d just finished writing and he’d just finished reading, several months before it would be released to the public.
“Are there really that many people who sell plasma?” he asked.
I paused for a minute and thought about it for what must have been the thousandth time. It was a central question that had puzzled me for years.
