The upcoming polar plunge will cause temperatures across the northern United States to drop by as much as 50 degrees, during a time when war may break out in Europe. This is a reminder of how important affordable American energy sources are. Europe is weak because it is in the grip of an energy crisis with some prices soaring tenfold in the last two years. Europe depends for nearly 30% of its oil and gas supplies on Russia, while German manufacturing is particularly dependent for energy on Russia after environmentalists forced Germany to dismantle all 17 of its nuclear power...