With nasty cold fronts thrusting an icy and early winter across the continental U.S. — along with last winter described by USA Today as "one of the snowiest, coldest, most miserable on record" — climatologist John L. Casey thinks the weather pattern is here to stay for decades to come. In fact, Casey, a former space shuttle engineer and NASA consultant, is out with the provocative book "Dark Winter: How the Sun Is Causing a 30-Year Cold Spell," which warns that a radical shift in global climate is underway, and that Al Gore and other environmentalists have it completely wrong. The earth, he says, is cooling, and cooling fast. And unless the scientific community and political leaders act soon, cold, dark days are ahead. Part 2: More via NewsMax.