WASHINGTON — It was deja vu all over again at the Supreme Court yesterday, as justices reprised the First Amendment debate over provisions of the federal campaign-finance law that restrict electioneering ads just before an election. In the 2003 litigation over the law that resulted in the ruling McConnell v. Federal Election Commission, the First Amendment lost, with a majority of the Court upholding the restrictions on their face, even though they restrict speech when it arguably matters most. Yesterday, presented with a real-life challenge by a Wisconsin antiabortion group that had to yank its advertisements off the air because...