The upcoming UFC on FOX 1 card, ProElite’s sophomore effort, the recently announced Georges St-Pierre vs. Nick Diaz title fight and B.J. Penn’s uncertain future are all topics in this week’s edition of The Sunday Junkie. But this weekend’s under-the-radar UFC 138 event also made an impact in our weekly reader-feedback feature. This week’s winner, New York’s Brett brettiexedge Falcetti, weighs in one of the show’s more controversial topics: Chris Leben’s clearance to continue after admitting he h…