All the free speech money can buy

A sack of money, the Supreme Court has decreed, is just another form of speech, which is why Mike Bloomberg will have vastly more to say about the 2020 presidential race than almost every other American. Bloomberg intends to shell out $1 billion for his "free" speech about why President Trump must be defeated (and why Bloomberg is the Democrat best suited to beat him). That's about 10 times what any individual has ever spent to influence a presidential race — and Bloomberg promises to keep spending even if another...