Former TV producer Julie Horner Lankamp was found dead in her Gold Street apartment Tuesday with "her crying young daughter clutching her legs," as the Daily News sensationally puts it. Relatives say they hadn't spoken with Lankamp since Sunday and police don't know how long the two-year-old had been stranded with her mother's body, which had begun to decompose. Lankamp had a broken jaw, bruises, and dried blood pooled near her nose and mouth, but......