A mea culpa in yesterday's Washington Post, criticizing the use of anonymous sources in a story widely regarded as a puff piece on Obama lieutenant Rahm Emanuel, sparked these comments from Salon.com's excellent Glenn Greenwald: In very limited circumstances, anonymity is valuable and justified (e.g., when someone is risking something substantial to expose concealed wrongdoing of serious public interest).  But promiscuous, unjustified anonymity -- which pervades the establishment press -- is the linchpin of most bad, credibility-destroying reporting.  It enables government officials and others to lie to the public with impunity or manipulate them with propaganda, using eager reporters as both...