How easy would it be for terrorists to disrupt our power grids. Real easy. The stuff is centrally distributed along major gridlines. It would be easy to knock out. The common myth is that renewables cost more than traditional power sources. But in light of the WTC attack, that balance sheet may be changing. Doesn't it make sense to have all our power locally, based on solar cells, wind and home generation? It would be nearly impossible for terrrorists to disrupt. Within five years we should have photovoltaics producing power at less cost than coal. Protecting our power sources from terrorists 1 new of