Gamers who’ve been salivating at the chance to slaughter zerglings (or each other) like it’s 1998 are going to have to wait a little longer. Blizzard Entertainment announced today that the first Starcraft 2 campaign—the Terran-centric Wings of Liberty will not be ready by the end of 2009. The culprit, according to company PR, is Battle.net. The company’s release is quoted below.”…it has become clear that it will take longer than expected to prepare the new Battle.net for the launch of the game. The upgraded