Nancy Bush Ellis was an environmentalist who switched parties when her brother, George H.W. Bush ran for president in 1979. She went on to campaign for her nephew, George W. Bush when he ran also.

HOUSTON, Texas (KTRK) -- Former President George H.W. Bush has died at age 94, according to the family's spokesperson. Bush, who served as U.S. president from 1989 to 1993, died on November 30. He ...