WASHINGTON - A new complaint filed Thursday with the Federal Election Commission alleges that a national network of local media websites must register as a political committee because of its ties to a Democratic-aligned group.Courier Newsroom, which includes seven news sites concentrated in presidential swing states,is backed by ACRONYM, a politically active nonprofit run by Democratic strategist Tara McGowan.Federal election laws and regulations do not apply to media outlets unless they are "owned or controlled by" a political party, committee or candidate and are acting as a media outlet rather than a political one.But the complaint, filed by Americans for...