Corporations have re-acquired their First Amendment rights to free speech.The Supreme Court ruled this morning that corporations may spend as freely as they like to support or oppose political candidates, and struck down a big part of the McCain-Feingold limits on business spending on federal campaigns. Amazingly the reason for the ruling had nothing to do with a campaign ad, but it was a movie critical of Hilary Clinton, that accused her of breaking campaign law. By a 5-4 vote, the court overturned a 20-year-old ruling that said companies can be prohibited from using money from their general treasuries to...