But courts have narrowed and limited what unions can do, he said. Unions are subject to much more severe economic regulation of their affairs than corporations. The decision will slow unions in fundraising, all three professors say. At the same time that both corporations and unions, because of the 2010 Citizens United decision, have more ability to spend, unions are going to have more trouble raising funds. That gives unions a disadvantage in the 2012 election. If the country were run this way, anyone who didnt like the defense budget could opt out, Lichtenstein said. The very concept of unionism, the legitimacy of collective actions by workers covering all sorts of workers, is being chipped away. Supreme Court clamping down on unions' political fundraising - Los Angeles Times Basically, a corporation can give unlimited money regardless of what it's investigatory want. But unions have to query every member before they can contribute. Corporations overwhelmingly give to Republicans because they know Republicans are against the Middle Class and only want to help corporations own everything and do anything they want to make every last buck they can. How Republicans can support unlimited spending by corporations but not middle class union members is beyond me.