BY ED CARSON INVESTOR'S BUSINESS DAILY Journalism has a new dress code. Pajamas. The people who write blogs, short for Web logs, don't get much respect from the mainstream media. Jonathan Klein, a former senior executive at "60 Minutes," said on Fox News last week that "Bloggers have no checks and balances. . . . (It's) a guy sitting in his living room in his pajamas." But it took only a day for bloggers to show the emperor has no clothes, exposing CBS for airing a report based on possibly forged documents about President Bush's National Guard service. Bloggers are...