Although a lifelong member of the Republican Party , Eisenhower endorsed Barack Obama for president of the United States in 2008 . Eisenhower announced on August 21 , 2008 that she was leaving the Republican Party and becoming an Independent . She spoke on the final day of the 2008 Democratic National Convention . Her speech was delivered at INVESCO Field at Mile High in Denver , Colorado , and began with , " I stand before you tonight not as a Republican or a Democrat , but as an American . " The full transcript of her remarks as delivered is on her website
2008 Democratic National Convention
2008 Democratic National Convention
Susan Eisenhower