Summer weather is enticing much of the world to emerge from coronavirus lockdowns as centers of the outbreak from New York to Italy and Spain gradually lift restrictions that have kept millions indoors for months. People are streaming back to beaches, parks and streets just as a heat wave hits southern Europe and spring-like temperatures allow Americans to shed winter coats. As they venture out again, most are keeping their distance and some are wearing masks. However, protests are also heating up from Germany to England to the United States, arguing the government restrictions demolish personal liberties and are wrecking economies.