<p>The approach of July 4 is making my heart hurt. Love of this country is deep-dyed in my soul, but pondering how or even whether to celebrate the semiquincentennial provokes a riot of mixed feelings.</p><p>The right — and not just the MAGA right — responds to any queasiness about this particular anniversary with knee-jerk vituperation. Matthew Hennessey, writing in the Wall Street Journal, offered a typical example of this Pavlovian response this week when he accused Robert De Niro of "hating America." What had the actor done to deserve this verdict?