Another mainstream journalist is quitting his job to become an independent media "entrepreneur." Chuck Todd on Friday announced his departure from NBC News, his corporate employer of nearly 20 years. He is taking his podcast, The ChuckToddcast , with him to a "new home" yet to be revealed. "At my core, I'm an entrepreneur ... And this is ripe moment," Todd wrote in a memo to colleagues. "The only way to fix this information eco system is to stop whining about the various ways the social media