Since the modern primary system kicked in back in 76, no Republican has won without taking Iowa or New Hampshire. Since Cruz took Iowa and Trump was expected to take New Hampshire, that put Rubio in a difficult position. However, Rubio's team had an answer for that: 3rd in IA, 2nd in NH and 1st in SC. It hadn't been done that way on the Republican side, but that did seem like a plausible path to the nomination. Unfortunately, Rubio's 5th place finish in NH means both Jeb and Kasich will stay in and split the establishment vote. It also...