Just like Christian Ponder, the move to appoint Frazier as HC needs to be followed through. If he fails next year I don't think that he should play out the rest of his 3 year term, but he should be given all of the 2012 season.
As far as cover-2 goes, we have had success with it before, and even at times this year, the trouble is we really don't have the CBs and safeties (other than Antoine Winfield when he is healthy) necessary to pull it off. Right now we're doing a whole lot more breaking than bending. Our safeties have embarrassed themselves in the last couple of games but there's still hope. I think that CB (a replacement for Cedric Griffin, and possibly Chris Cook) is really where the weakness is at. Poor play from Asher Allen and Griffin is making the whole secondary look bad (unfortunately Jamarca Sanford, Husain Abdullah and Tyrell Johnson don't need a lot of help in the department). I would also hope that Brandon Burton and Mistral Raymond can step up and contribute to the team.