Frank Bruni: Trump and this moment are a terrifying mismatch

We choose our presidents in happy times and sad, amid bull and bear markets, when we’re trying to conserve what is and when we’re itching to discover what might be.We should always choose them as if we’re on the brink of war, because it’s impossible to predict when we’ll find ourselves there, in petrified need of a strong, stable leader we can trust.Donald Trump was chosen in a fit of long-building and largely warranted cynicism, as a gamble and protest. He hadn&rsq