LOS ANGELES (Reuters) - Writer Gore Vidal, who filled his novels and essays with acerbic observations on politics, sex and American culture while carrying on feuds with big-name literary rivals, died on Tuesday at home in Los Angeles of complications from pneumonia, age 86. Vidal's literary legacy includes a series of historical novels - "Burr," "1876," "Lincoln" and "The Golden Age" among them - as well as the campy transsexual comedy "Myra Breckinridge". He started writing as a 19-year-old soldier stationed in Alaska, basing "Williwaw" on his World War Two experiences. ...