The headline says it all on this one, folks. Thanks to a tweet by Sprint representative Stephanie Vinge we know that company and Clearwire will be flipping the switch on 4G service in LA sometime before December 1st, following on recent successes in New York City, Tampa, Hartford, and many other lovely locales. Of course, we all know it isn’t actually 4G , but it’s as close as we’re going to get right now, and we’ll certainly take it. [Image courtesy Sten R