During the Peaceful Revolution of 1989, he became a member of the New Forum, a democratic opposition movement, and was elected as its spokesman.
در طول انقلاب مسالمت‌آمیز سال ۱۹۸۹، او عضو انجمن جدید، جنبش اپوزیسیون دموکراتیک شد و به عنوان سخنگوی جنبش انتخاب شد.