Oh man, there's like ten F_W posts. The latest one might have a recap. It's been ongoing since November. Here's the FW Wiki page.

ETA: I'm a moron, the TLC/Lexicon wank is an outgrowth of the larger Lexicon vs JKR wank, which you probably already know about. Here is the TLC wank in question; almost everyone deemed it to be grudgewank -- and I kinda have to agree, since the basis appears extremely shaky.