Donald Trump should bounce back in New Hampshire on Tuesday. His loss in Iowa at the hands of Texas Sen. Ted Cruz was a setback, although it actually could have done Trump some good. But Trump cannot afford two losses in a row. You can always learn something from defeat. And a little humility never hurt anyone, and Trump, who is not used to losing, sure could use some. And he surprisingly flashed a little of it when he graciously congratulated Cruz, the man he had called a liar, on his first-place finish. But Trump still could not help himself...