The emergence of the presidential couple is one of the most important and contentious developments in America's postwar political history. After the exceptional Roosevelts, the change began innocently enough, with Mamie becoming the first First Lady to remain on the campaign trail without her husband - receiving nothing but praise as a result. By the 1960s, with Lady Bird lobbying for legislation on TV, the first signs of protest appeared. In the 1970s, when Jerry and.