Is Ted Cruz too mean to be president? Being nice is, for better or worse, not a qualification for the presidency. “Nice†is not a term one often heard associated with Lyndon Johnson or Richard Nixon, both — in their ways, and with obvious limits — highly effective presidents. But I don’t remember reading quotes about either Nixon or Johnson from those close to them describing them as unqualified for the presidency on account of being just too mean, too arrogant and too self-centered. After all, most nice people are not nearly so in love with the sound of their...