WASHINGTON - A conservative independent group that ran millions of dollars in ads against Democratic presidential candidate John Kerry in 2004 will pay $750,000 to settle charges that it violated federal campaign laws. The penalty, announced by the Federal Election Commission on Wednesday, is the third largest in the history of the commission, which regulates election money. The FEC's six commissioners approved the settlement unanimously. The group, Progress for America Voter Fund, raised nearly $45 million in 2004, making it the best financed Republican-oriented group in that campaign. The FEC said that it "failed to register and file disclosure reports...