New York Post by Keith J. Kelly Former Police Commissioner Ray Kelly said his book proposal is a wee bit down the road before being ready to go out to publishers. The man handling the auction, high-profile Washington, DC, attorney Robert Barnett, is still keeping tight-lipped about the pending book and said he had nothing to report at the moment. Publishing sources, eager to get a first look, said bidding could easily reach seven figures. Kelly, a co-founder of the Kelly Gang