our challenges are great but our will is greater. >> george h.w. bush, the patriarch of the family and this whole family, many people said, dedicated to service. >> for generations and president george w. bush announced a statement. here's part of it. george h.w. bush was a man of the highest character and the best dad or son of or daughter could ask for. "nothing gave my grampy more joy than service to others including to those who make the ultimate sacrifice every day." "my grandfather was the greatest man i ever knew. he fought in world war 2, took part in the texas oil boom and had a distinguished career