Reuters Pictures
Poland's President Lech Kaczynski (L) shows signed document of EU's Lisbon Treaty as Poland's Prime Minister Donald Tusk (2nd L), Sweden's Prime Minister Fredrik Reinfeldt (C), European Commission President Jose Manuel Barroso (2nd R) and European Parliament President Jerzy Buzek look on during signing ceremony at the presidential palace in October 10, 2009. Kaczynski signed the EU's reform treaty into law on Saturday, leaving the Czech Republic as the only country still to ratify the document.