t onr tonight, evan faye liberals and the media. ♪ >> did i feel prepared? yes. did notice the difference between being the vice president's wife and the president's wife is huge because the vice president's wife can say anything and nobody cares. the minute you say one thing as the president's wife, you have made the news. >> barbara bush used the office of first lady to promote literacy and to raise awareness about aids and homelessness. she earned her way into the history books. she and abigail adams are the only women to be both a wife and mother of a president. welcome to "first ladies: influence and image." tonight is the story of barbara bush. for the next 90 minutes, to tell us more about her life and influence are two guests. the barbara bush biographer, part of the series we have turned to so often. she is a first ladies scholar. jeffrey engel is the founding director of the center for presidential history at southern methodist university. he is the author of one book on george bush's foreign-policy. we heard barbara bush talk about the fact that when s