Who could be replacing John Calipari at Kentucky? Jay Wright and Nate Oats have already said they aren’t interested — publicly, at least. But how about some actual candidates to keep a close eye on? ESPN’s Pete Thamel ran threw several ahead of Monday evening’s national championship game, separating the candidates into “realistic” and “aspirational” categories. Up first on the wish list? None other than old friend Billy Donovan, now with the Chicago Bulls. Early indications indicate, though, he would like to stay in the NBA. “We have to start with an aspirational candidate list, the top of tha…