By Dan Whitcomb (Reuters) -Former U.S. president Donald Trump sued CNN for defamation on Monday, seeking $475 million in punitive damages and claiming that the network had carried out a “campaign of libel and slander” against him. Trump claims in his lawsuit, filed in U.S. District Court in Fort Lauderdale, Florida, that the network had used its influence as a leading news organization to defeat him politically. CNN declined to comment on the case. Trump claims in the lawsuit that CNN has used such defamatory labels against him as “racist,” “Russian lackey,” “insurrectionist” and “Hitler.” The…