Thousands of people gathered across Germany on Saturday to voice opposition to right-wing extremism the day before the European Parliament elections, organizers and police reported. In Berlin, a peaceful protest drew 15,000 people, according to police estimates. The organizers had registered a demonstration for 10,000. The protesters held up placards reading “Rights for people instead of right-wing people” and “Diversity without alternative.” The organizers in Leipzig put the numbers there also at 15,000, while the police estimate was 12,500. A protest in Dresden also drew thousands. One of th…