Due to this ruling, "Last week, the Supreme Court reversed a century of law[43] to open the floodgates for special interests — including foreign corporations — to spend without limit in our elections. Well I don't think American elections should be bankrolled by America's most powerful interests, or worse, by foreign entities."-Obama...........
"All contributions by corporations to any political committee or for any political purpose should be forbidden by law; directors should not be permitted to use stockholders' money for such purposes; and, moreover, a prohibition of this kind would be, as far as it went, an effective method of stopping the evils aimed at in corrupt practices acts." Theodore Roosevelt
What about the Tilman act of 1907
http://en.wikipedia.org/wiki/Tillman_Act_of_1907