WASHINGTON -- The next domino in the effort to erase campaign finance restrictions has just been pushed. A case attacking the McCain-Feingold reform law's ban on unlimited contributions to political parties has been set on a path that almost certainly ends at the Supreme Court. With the help of Citizens United lawyer Jim Bopp, the Republican Party of Louisiana and the Jefferson Parish and Orleans Parish Republican Party sued to allow state and local parties to raise enormous sums under looser state laws and then spend them on federal elections.