Just because the site was founded by an alleged plagiarist doesn't mean it's totally devoid of ethical clout. Though you do have to wonder: from where does the Huffington Post recruit its bloggers? The site reportedly informed one of its unpaid contributors last week that he was being let go. The offense: he had used his press credentials as a HuffPo blogger to get labor union demonstrators access to a Mortgage Bankers Association event, where they staged a rowdy protest. Yahoo News reporter Joe Pompeo wrote of the event on Monday: The commotion attracted a fair amount of media attention...