Tears and sorrow fill the offices of mainstream publisher Riverhead books as another memoir delivered from the school of hard knocks turns out to be a complete fabrication. Love and Consequences, a memoir released last week by Margaret Seltzer (published under the silly pseudonym Margaret B Jones), which chronicles the author's difficult life story of foster families, drug running, and all around thuggin' on the mean streets of L.A., turns out to be a complete......