Jay Leno's free ride in the media comes to screeching halt

President Obama isn't the only one who seems to have lost the adoration of the media recently. Jay Leno, who rode a wave of fawning press in the weeks leading up to the premiere of his new 10 p.m. talk show, has fared less well in the days since.

I determined that using Newssift, an "intelligent search tool" developed by the Financial Times Group. Among the neat things Newssift does is assign a "sentiment" -- positive, negative or neutral -- to each of the news articles it turn up. That allows you to gauge how the coverage of a particular topic shifts in tone over time.