PRINCETON, N.J. - David F. Bradford, a Princeton University economics professor and former presidential adviser, died Tuesday from injuries suffered in a fire at his home two weeks earlier. He was 66. Bradford, who served as a top economic adviser to former President Bush (news - web sites), suffered third-degree burns over half his body in the Feb. 8 fire, which was caused by one of about 10 lit candles on a Christmas tree that had been in the house since December. He had been a member of Princeton's faculty since 1966 and was an authority on taxation. He was...