Ethernet inventor turned cleantech venture capitalist Bob Metcalfe says there have been a series of bubbles that have swept up the algae startup that he’s been leading as CEO for the past year. That would include not only the general global warming bubble, which he says Al Gore has been helping to perpetuate, but also a biofuels bubble and then the algae to fuel bubble. Man, that’s a sudsy market he’s been running in....MORE