The Daily Kos has the post This is How Citizens United Dies.

In a first of its kind case, federal prosecutors say a Mexican businessman funnelled more than $500,000 into U.S. political races through Super PACs and various shell companies. The alleged financial scheme is the first known instance of a foreign national exploiting the Supreme Court’s Citizens United decision in order to influence U.S. elections.

I just figured out the solution to the immigration problem.  If corporations are people too, and if all you have to do is to file some paperwork to form a US corporation, then all the undocumented workers ought to incorporate themselves as US corporations.  Why fool with all that INS paperwork and red tape?