CALGB Endocrine Therapy with or without ANTI-VEGF Therapy: A Randomized; Phase III Trial of Endocrine Therapy Alone or Endocrine Therapy Plus Bevacizumab (NSC 704865; IND 7921) for Women with Hormone Receptor-Positive Advanced Breast Cancer Adult CIRB - Late Phase Emphasis Closed to Accrual. Pts Still Rcving Intervention Available to Open