I have, since last September, written several times that I think the 2016 campaign comes down to a race between Ted Cruz and Marco Rubio. The loss in Iowa after leading in the ten polls preceding the caucuses has taken the wind out of Donald Trump's sails. He is refusing to invest in New Hampshire and will not buy expansive data to micro-target voters. I suspect Christie, Bush, Kasich, and Fiorina fade. Ben Carson is already fading. Despite Carson's attacks on Ted Cruz over urging Carson supporters to stand with Cruz, the facts are that Ted Cruz's campaign relied on...