[Excerpt] Steel and auto. These are the basics of American basic industry, and the United Steelworkers and United Autoworkers, representing workers in these industries, have been at the very core of the American labor movement. For most of the years since World War II, the membership of these two unions has constituted something like one -seventh of the organized workforce, and the USW and UAW pioneered many of the innovations in collective bargaining that all unions now take for granted.