Filed under: WirelessWe know, you're already rolling your eyes, but this time it's really for real. At least that's what Covad Communications wants us to believe. Reportedly, said outfit is jump-starting a gigantic municipal WiFi project to blanket Silicon Valley that fell apart after upstart Azulstar failed to garner funding to kick things off in 2007. Covad is hoping to cover one square mile of downtown San Carlos, California for three months, and during the test period it will gauge just how lu