How Did This Happen?

From the New York Times, Aug 1: THE TIMES published an especially embarrassing correction on July 22, fixing seven errors in a single article — an appraisal of Walter Cronkite, the CBS anchorman famed for his meticulous reporting. The newspaper had wrong dates for historic events; gave incorrect information about Cronkite’s work, his colleagues and his program’s ratings; misstated the name of a news agency, and misspelled the name of a satellite.

Here's the link to the article. Read the correction at the bottom.