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 o...

European Parliament President Jerzy Buzek (L), Sweden's Prime Minister Fredrik Reinfeldt and Poland's President Lech Kaczynski (R) arrive at the European Union's Lisbon Treaty signing ceremony at the presidential palace in Warsaw October 10, 2009.

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Polish President Lech Kaczynski (R) reviews the honour guard next to his Romanian counterpart Traian Basescu (C) during the official welcoming ceremony at the Cotroceni Palace, the Romanian Presidency headquarters in Bucharest, n October 7, 2009.

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Polish President Lech Kaczynski (L) reviews the honour guard next to his Romanian counterpart Traian Basescu (C) during the official welcoming ceremony at the Cotroceni Palace, the Romanian Presidency headquarters in Bucharest, on October 7, 2009.

Poland's President, Lech Kaczynski (L) speaks with Barclay's Capitol trader Jason Hardzewicz (R) while tour the floor of the New York Stock Exchange, September 24, 2009.

Poland's President Lech Kaczynski (C) speaks with traders while touring the floor of the New York Stock Exchange, September 24, 2009.

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Polish President Lech Kaczynski, center, listens to William White of Barclays Capital while touring the floor of the New York Stock Exchange, Thursday, Sept. 24, 2009 in New York.

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Polish President Lech Kaczynski, left, and NYSE Euronext CEO Duncan Niederauer look down from the bell podium before the ringing of the opening bell at the New York Stock Exchange, Thursday, Sept. 24, 2009 in New York.

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Polish President Lech Kaczynski, left, and NYSE Euronext CEO Duncan Niederauer look down from the bell podium before the ringing of the opening bell at the New York Stock Exchange, Thursday, Sept. 24, 2009, in New York.

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Polish President Lech Kaczynski, left, and NYSE Euronext CEO Duncan Niederauer look down from the bell podium before the ringing of the opening bell at the New York Stock Exchange, Thursday, Sept. 24, 2009 in New York.

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Polish President Lech Kaczynski, left, and NYSE Euronext CEO Duncan Niederauer wave to the members gallery while touring the floor of the New York Stock Exchange, Thursday, Sept. 24, 2009, in New York.

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President Lech Kaczynski of Poland(L) speaks with US President Barack Obama before lunch during the United Nations General Assembly at UN Headquarters in New York, NY, September 23, 2009.

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From left: Austrian President Heinz Fischer, Polish First Lady Maria Kaczynska, Polish President Lech Kaczynski and Austrian First Lady Margit Fischer pose during an official welcoming ceremony at the presidential palace in Warsaw on September 15, 2009.

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Polish President Lech Kaczynski (L), his wife Maria (C) and his Austrian counterpart Heinz Fischer (R) chat during an official welcoming ceremony at the presidential palace in Warsaw on September 15, 2009.

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Polish President Lech Kaczynski (L) and his Austrian counterpart Heinz Fischer shake hands during an official welcoming ceremony at the presidential palace in Warsaw on September 15, 2009.

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Polish President Lech Kaczynski (L) and his Austrian counterpart Heinz Fischer (R) stand in front of an honor guard during an official welcoming ceremony at the presidential palace in Warsaw on September 15, 2009.

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Polish President Lech Kaczynski (L) and his Austrian counterpart Heinz Fischer (R) walk in front of an honor guard during an official welcoming ceremony at the presidential palace in Warsaw on September 15, 2009.

The Czech Republic's President Vaclav Klaus (C) speaks as his Polish counterpart Lech Kaczynski (R) listens during the second day of a meeting of Presidents of the Visegrad Group (V4) countries in Sopot, northern Poland September 12, 2009. On the left is Hungary's President Laszlo Solyom.

Poland's President Lech Kaczynski (L) and his Czech counterpart Vaclav Klaus (R) smile as their wives welcome during a meeting of Presidents of the Visegrad Group (V4) countries, in Gdynia, northern Poland September 11, 2009. On the second right Czech Republic First Lady Livia Klausova.

Slovakia's President Ivan Gasparovic (2nd L), Hungary's President Laszlo Solyom (3rd L), Czech Republic's President Vaclav Klaus (2nd R) and Poland's President Lech Kaczynski (R) attend meeting of Presidents of the Visegrad Group (V4) countries, in Gdynia, northern Poland September 11,...

Poland's President Lech Kaczynski (R) gestures as other leaders of Visegrad Group, Slovakia's President Ivan Gasparovic (L), Hungary's President Laszlo Solyom (3rd L), Czech Republic's President Vaclav Klaus (2nd R) pose during a meeting of Presidents of the Visegrad Group (V4) countrie...

Poland's President Lech Kaczynski (L) welcomes Hungary's President Laszlo Solyom as they attend a meeting of Presidents of the Visegrad Group (V4) countries in Gdynia, northern Poland, September 11, 2009.

Poland's President Lech Kaczynski (R) gestures as he attends a welcoming ceremony with his Ukrainian counterpart Viktor Yushchenko in front of the Presidential Palace in Warsaw September 7, 2009. Yushchenko is in Poland for a two-day official visit.

Poland's President Lech Kaczynski (L) and his Ukrainian counterpart Viktor Yushchenko (R) attend a welcoming ceremony with their wives in front of the Presidential Palace in Warsaw September 7, 2009. Yushchenko is in Poland for a two-day official visit.

Poland's President Lech Kaczynski (L) walks with his Ukrainian counterpart Viktor Yushchenko after inspecting the honour guard during a welcoming ceremony in front of the Presidential Palace in Warsaw September 7, 2009. Yushchenko is in Poland for a two-day official visit.