An evangelical leader said he is not surprised that GOP candidates are refusing to sign The Family Leader's Marriage Vow. He believes the pledge is a "rambling" document that is "unnecessary."
George W. Bush served as the 43rd president of the United States from
2001-2009. Bush is the son of former U.S. president George Bush, who served
from 1989-93. (The terms of father and son were separated by the two
terms of Bill Clinton.)