AP Photo/Pablo Martinez Monsivais
President George W. Bush, right, reviews an honor guard with Estonian President Toomas Hendrik Ilves, left, at the arrival ceremony at Kadriorg Palace, Tuesday, Nov. 28, 2006 in Tallinn, Estonia. Mr. Bush stopped off for a brief visit to Estonia on his way to a NATO summit in Latvia.
AP Photo/Evan Vucci
President George W. Bush gestures during a press conference with Estonian President Toomas Hendrik Ilves, not seen, at the National Bank of Estonia in Tallinn, Estonia, Tuesday, Nov. 28, 2006.
AP Photo/Evan Vucci
President George W. Bush gestures during a press conference with Estonian President Toomas Hendrik Ilves, not seen, at the National Bank of Estonia, in Tallinn, Estonia, Tuesday, Nov. 28, 2006.
AP Photo/Evan Vucci
President George W. Bush reacts to a reporter's question during a press conference with Estonian President Toomas Hendrik Ilves at the National Bank of Estonia in Tallinn, Estonia, Tuesday, Nov. 28, 2006.
AP Photo/John McConnico
A protester wears a "Stop Bush" sign across his face during President George W. Bush's visit to Tallinn, Estonia, Tuesday Nov. 28, 2006, on his way to the NATO summit in Riga, Latvia. Mr. Bush said that the sectarian violence rocking Iraq is part of an al Qaeda plot to goad Iraqi factions into repeated attacks and counterattacks.
AP Photo/Kirsty Wigglesworth
President George W. Bush poses with Latvian President Vaira Vike-Freibera, before addressing guests at Latvia University in Riga, Tuesday Nov. 28, 2006, where he is attending a summit of the leaders of the 26 NATO countries.
AP Photo/Pablo Martinez Monsivais
President George W. Bush speaks at Grand Hall at Latvia University in Riga, Latvia, Tuesday, Nov. 28, 2006. Mr. Bush was attending a NATO summit and sought to enlist renewed commitments from the NATO allies that have deployed 32,000 troops to Afghanistan.
AP Photo/Pablo Martinez Monsivais
President George W. Bush, left, shakes hands with NATO Secretary General Jaap de Hoop Scheffer, right, before the start of their meeting at Latvia University, in Riga, Latvia, Tuesday, Nov. 28, 2006.
AP Photo/Pablo Martinez Monsivais
President George W. Bush, right, talks to his National Security Advisor Stephen Hadley, center, as Secretary of State Condoleezza Rice, left, puts on her headset before the start of the NATO summit at Olympic Stadium, Wednesday, Nov. 29, 2006, in Riga, Latvia.