It's 2016 (finally)! Iowa voters will head to their caucuses in four weeks. The country will pick a new president in about 10 months. It's all happening, people. Given all of that, it's time to revisit my rankings of the candidates who could be the Republican presidential nominee in November. It's a shrinking list but still far longer than that of the Democrats' side, where it's Hillary Clinton's race to lose (still). The candidate ranked No. 1 below is the most likely, as of now, to be the GOP nominee. And, for the record, I think it's possible (if not...