Reuters/Robert Padgett Billy Graham is best known for the spiritual counsel he provided to American presidents for over a half-century. The prevalence of religious language in US politics that Graham helped inspire continues to this day. On Feb. 21, Billy Graham, the evangelical Christian minister who was widely regarded as "America's pastor," died at the age of 99. Graham is best known for his global "crusades" — rallies that attracted crowds in the millions — and for the spiritual counsel he provided to American presidents for over a half-century.