Reuters: Clean technology has for the first time become the top category in U.S. venture capital investment, eclipsing biotech and software, as private money follows the government’s lead, the Cleantech group reported. “Governments are having an effect — emboldening private capital to get back in the game,” said Dallas Kachan, managing director of Cleantech Group, a research and advisory firm which issued its third quarter report on Wednesday. Solar was the leading category in $1.59 …