Huffington Post founder Arianna Huffington was on CNN last weekend where she outlined the key elements of HuffPo’s success.  And while not every (or maybe even not any) other site can hope to become the traffic magnet that is Huffington Post, it seems to me her prescription is relevant for any local media company that aspires to truly serve the information interests of their audiences (Public Radio and News/Talk – I’m talking to you). It is most certainly not simply about spr