US President Barack Obama (R) iand Polish President Bronislaw Komorowski (L) review a guard of honour at the presidential palace in Warsaw on May 28, 2011. Obama was to wrap up his European tour by meeting on May 28 with the leaders of staunch ally Poland as Warsaw gets set to take the helm of the European Union. AFP PHOTO / JEWEL SAMAD (Photo credit should read JEWEL SAMAD/AFP/Getty Images)