While the Supreme Court’s decision in Citizens United overturned decades of precedent by granting corporations the right to spend money from their corporate treasuries to help elect or defeat candidates, many pro-corporate activists believe that the ruling didn’t go far enough and seek to eviscerate even more restrictions on corporate money in elections. Opponents of campaign finance reform are spearheading efforts to allow corporations to contribute directly to candidates for office, permit political groups to keep the identity of their donors a secret, and loosen restrictions on foreigners contributing to candidates. The Supreme Court is also set to consider a major case on the constitutionality of Arizona’s clean elections laws that provide public financing for qualifying candidates. Politico reports on the Right’s “sustained assault” on campaign laws:

Not satisfied by the 2010 Supreme Court ruling that opened the floodgates to corporate-sponsored election ads, conservative opponents of campaign finance regulations have opened up a series of new legal fronts in their effort to eliminate the remaining laws restricting the flow of money into politics.

They have taken to Congress, state legislatures and the lower courts to target almost every type of regulation on the books: disclosure requirements, bans on foreign and corporate contributions and – in a pair of cases the Supreme Court will consider this month – party spending limits and public financing of campaigns.

The sustained assault, combined with the Supreme Court’s rightward tilt on the issue, has some advocates for reducing the role of money in politics fretting about the possibility of an irreversible shift in the way campaigns are regulated and funded that would favor Republicans and corporate interests in the 2012 presidential race and beyond.

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“Depending on its scope, an adverse ruling from the high court could undermine public financing systems across the country and increase still further the grossly disproportionate voice given to corporations and unions in our elections,” warns a memo by Gerry Hebert and Tara Malloy, lawyers at the pro-regulation Campaign Legal Center, which filed a brief defending the Arizona law.

“Just a year after the controversial decision in Citizens United v. FEC, the Court is once again poised to issue a ruling that could make it harder for ordinary citizens to compete with big money in our democracy,” their memo predicted.

Opponents of campaign rules argue that removing restrictions allows more voices to compete in the political marketplace. And they have a slew of other suits pending that could dramatically alter the political money landscape, including one challenging a rule that limited how much the Republican National Committee could spend supporting the unsuccessful 2010 reelection campaign of former Rep. Joseph Cao (R-La.).

The Supreme Court is set to decide on Friday whether to hear the case which is being handled by Jim Bopp, a Republican lawyer and leading opponent of campaign restrictions. The impact of the Cao case “could be real big,” if the court overturns the so-called coordination limits at issue, predicted Bopp, who has dozens of cases pending in courts around the country.

One seeks to advance the Citizens United ruling by challenging an Iowa law banning direct corporate contributions to state candidates, while a pair of others dispute whether non-profit groups called the Committee for Truth in Politics and The Real Truth About Obama that aired ads critical of then-candidate Barack Obama had to disclose their donors or activity.