Half of the country’s tech bloggers and journalists, it seems, are under embargo around next week’s launch of Yahoo Buzz. Word has still leaked, likely from recently layed off Yahoo employees. We’re under embargo, too, so I can’t say much. But the posters up all over Yahoo give a taste of what is. “We’re re-launching Yahoo! Buzz as a destination site where users determine the best stories & videos” - sounds a lot like Digg to me. The URL given in the poster - alpha.buzz.yahoo.com - can only be accessed by Yahoo employees. The launch URL will be buzz.yahoo.com. If you happen to be online, check out TechCrunch at 9 pm on Monday. ...