Why the Hittites?

Buce asks:

Underbelly: Upside-Down Pyramid Moment::The Hittites: One of my favorite teachers used to say that one of the fun things about history is that you could always look at the same data and see something you never before.  "For example," he intoned, "I just last night realized that you can't turn a pyramid upside down." I think I'm having an upside-down pyramid moment.  The subject is the Hittites, who developed a great empire in and around Central Anatolia from (say) the 18th to...