Journalism gyrates dizzily between the dolorous grind of falling revenue and the Internet’s vast opportunities of a limitless knowledge and creation engine. On the revenue front, no news is good. The just-published Pew Center’s “State of the US News Media” opens with the bleak statement that “a continued erosion of news reporting resources converged with growing opportunities for those in politics, government agencies, companies and others to take their messages directly to the public.” Not only, that is, is the trade shrinking, but those who once depended on its gatekeepers have found their own ways to visibility.