And good evening. That unprecedented, potentially catastrophic storm has now begun its life-threatening march across much of the country. More than half of all Americans are in the storm's path tonight.In the Midwest, millions are being pounded right now by blinding snow and powerful winds. While in Texas and Oklahoma, that monster storm is firing up with snow and plunging temperatures. Look at the storm's path.Few states will be spared as it plows its way east. Governors in 16 states have declared states o ...