LinkedIn has been pretty clearly repositioning itself as a source for news as of late, and it's now made that shift even clearer with a fairly major acquisition. The company announced today that it has acquired Pulse, maker of news reader apps for mobile devices (in addition to a web-based offering) at a cost of some $90 million. In its own blog post announcing the news, Pulse says that its apps will remain as they are for now, although they will now offer a "LinkedIn Influencer" feed fe
