Nations are an historic reality in Europe. They all have different histories, and they joined the EU at very different times and under widely differing circumstances. I was mayor of Warsaw for three years and always in favor of Poland joining the EU. But I also experienced how we had to implement EU regulations that were completely inappropriate to our situation.

Nations are an historic reality in Europe. They all have different histories, and they joined the EU at very different times and under widely differing circumstances. I was mayor of Warsaw for three years and always in favor of Poland joining the EU. But I also experienced how we had to implement EU regulations that were completely inappropriate to our situation.