A record low turnout of only 43 percent of 375 million eligible voters pointed to skepticism about a more integrated Europe.
The American president took his case straight to the people on his trip this week, spending limited time with the leaders of Saudi Arabia, Egypt, Germany, and France.
The final result in Sunday's knife-edge parliamentary election was expected to hinge on which way the divided Christian community votes in a few important districts.
The president visits the city that bore some of World War II’s heaviest damage, as well as the death camp.
Britain's Gordon Brown could fall, while Dutch populist Geert Wilders's anti-Islam stand finds new appeal.