A few days ago, I was sitting in my car at a stoplight, waiting for the light to change, when a thought suddenly popped into my head. In a flash, I recognized the relevance of a paper I’d read several decades ago for a current project on which I was working. I had been thinking about ways to justify the narrative I was trying to set up, and I’d been frustrated by my inability to find recent literature that could be cited to justify its importance.
Why did that idea suddenly occur to me? The