There's a little puddle on Wall Street where VMware, the virtualization leader and the most brilliant IPO since Google went public, used to be. EMC, VMware's parent company, announced mid-morning that VMware co-founder Diane Greene was out presumably because the company isn't going to make its full-year 2008 guidance of 50% growth over 2007 and it hasn't reported its second quarter yet. EMC said it would come in at 'modestly below' its goal. ...