A few days before the European elections, supporters of Prime Minister Donald Tusk held a rally in Poland to commemorate the first partially free elections in 1989. They gathered in Warsaw’s Castle Square on Tuesday with Polish flags and banners reading “We are citizens of the EU.” “You are here because Poland has not yet grown tired of freedom,” Tusk said. June 4 is an important date in Poland: the first partially free elections were held on this day in 1989 – a triumph of the democracy movement and the Solidarity, or Solidarność, trade union, which also heralded the end of Communist rule. “T…