One of the major threats to free speech today is not censorship. It’s harassment. Here’s how it works. People join or give money to groups that support causes they believe in. Those groups attract the ire of government officials when…

Two years ago this month, former IRS official Lois Lerner revealed that the agency had discriminated against scores of right-leaning nonprofits on the basis of their political beliefs. The public called for accountability and got something vaguely resembling it in…