BRUSSELS — Alexandr Vondra, a Czech member of the European Parliament, did not disclose his role as honorary chair of an influential think tank in the Czech Republic, despite negotiating files affecting the companies funding the organization. Transparency International argues that Vondra's failure to disclose his relationship with the Prague Center of Transatlantic Relations may violate the European Parliament's code of conduct. The issue was first flagged to POLITICO by Aria, a climate