Well worth a read...
At the same time, the Internet has led to unprecedented scrutiny of the accuracy of articles. Media criticism is now a staple of mainstream Internet sites as well as of bloggers, and cable news channels have joined in, putting news publications under a microscope.
And, from the Opinion Journal:
The problem in all three cases is that news organizations were so zealous in their pursuit of the next quagmire or scandal that they forgot their first obligation, which is to tell the truth. Until those in the mainstream media are willing to acknowledge that it is this crusading impulse that has led them astray, we are unlikely to see the end of such journalistic scandals.