BOULDER — From 5,280 feet, it looks more like a crazy wall or a conspiracy board than a conference map. The new Big 12 is a mess of pins connected by string, hope and quiet desperation. One of the longest stretches 2,074 miles, from Morgantown, W. Va. to Tucson, Ariz., from sweetgum trees to saguaros, with a layover in Cincinnati and a detour in central Iowa. This ain’t your daddy’s Big 12. Here’s what the Buffs’ new league isn’t: The back-biting conference they fled in 2010.