The Supreme Court has dealt a blow to campaign finance reform by throwing out part of the McCain-Feingold campaign finance law that placed restrictions on corporations and unions from buying television ads close to elections. Chief Justice John Roberts wrote the 5-to-4 decision. He said that the prohibition against corporate ads mentioning a candidate’s name in the days before an election was an unconstitutional infringement on the rights of corporations. The ruling is expected to affect the 2008 presidential election and will likely encourage a financial arms race between special interest groups. Mary Wilson of the League of Women Voters said: “This is a big win for big money. Chief Justice Roberts has reopened the door to corruption.” Voting with Roberts were Samuel Alito, Antonin Scalia, Clarence Thomas and Anthony Kennedy.