No other group has done as much to keep America dependent on foreign oil as the environmentalists have. After leading successful campaigns against nuclear power and domestic drilling, the green movement may lecture on "oil wars", but it is responsible for most of them. The math of it is very simple. Resource shortages are a major cause of conflict. And environmentalists have dedicated themselves to creating resource shortages in prosperous nations. Their campaigns against nuclear, domestic oil and coal production have been big on self-righteousness and short on consequences. And the consequences are that their scaremongering has not only cost...