By SUMAN NAISHADHAM, CARLA K. JOHNSON and PHILIP MARCELO, Associated Press Fourth of July gatherings, graduation parties, no-mask weddings, crowded bars — there are reasons the U.S. has racked up more than 155,000 coronavirus deaths, by far the most of any country, and is fast approaching an off-the-charts 5 million confirmed infections, easily the highest in the world. Many Americans have resisted