Can you work at a PR firm and be a journalist?

A weekend column by Slate ’s Glenn Greenwald, which was picked up and summarized by liberal blog Talking Points Memo , blasts MSNBC for allowing former Newsweek reporter Richard Wolffe to guest host the news-commentary show “Countdown.” Wolffe left Newsweek earlier this year to work at Public Strategies, a corporate communications consultancy, a fact that isn’t disclosed when he appears on MSNBC—until now. (On air, Wolffe is referred to as a “political analyst.”) On Monday, MSNBC …