I would just like to reaffirm that I think that this is a good idea. I think that these questions would be good candidates for the [tag:skeptic] tag

http://buddhism.stackexchange.com/questions/11482/can-the-elements-of-buddhist-cosmology-be-confirmed

http://buddhism.stackexchange.com/questions/11414/do-modern-day-buddhists-take-mara-the-evil-one-literally

http://buddhism.stackexchange.com/questions/1835/did-gautama-buddha-exist/1848#1848

http://buddhism.stackexchange.com/questions/3420/is-rebirth-a-delusional-belief

http://buddhism.stackexchange.com/questions/2220/does-human-evolution-disprove-a-kamma-based-rebirth

This proposal seesm to have good support. I would go ahead and begin tagging if it were me