We also trust that readers can see through the commercial and ideological motives of our competitor-critics. The Schadenfreude is so thick you can’t cut it with a chainsaw. Especially redolent are lectures about journalistic standards from publications that give Julian Assange and WikiLeaks their moral imprimatur. They want their readers to believe, based on no evidence, that the tabloid excesses of one publication somehow tarnish thousands of other News Corp. journalists across the world…

In braying for politicians to take down Mr. Murdoch and News Corp., our media colleagues might also stop to ask about possible precedents. The political mob has been quick to call for a criminal probe into whether News Corp. executives violated the U.S. Foreign Corrupt Practices Act with payments to British security or government officials in return for information used in news stories. Attorney General Eric Holder quickly obliged last week, without so much as a fare-thee-well to the First Amendment…

The last time the liberal press demanded a media prosecutor, it was to probe the late conservative columnist Robert Novak in pursuit of White House aide Scooter Libby. But the effort soon engulfed a reporter for the New York Times, which had led the posse to hang Novak and his sources. Do our media brethren really want to invite Congress and prosecutors to regulate how journalists gather the news?