Americans assess how Barack Obama's association with Reverend Wright, Hillary Clinton's with Bill Clinton, and John McCain's with President Bush affects their vote.

A large majority of Americans (78%) think the current rise in gas prices represents a more permanent change, while just 19% think it is a temporary fluctuation.

Across several subgroups, Barack Obama's support compared with John McCain's is similar to John Kerry's support compared with George W. Bush's in 2004.

President Bush's job approval rating among members of his own party is now at 60%, an all-time Gallup low.

Senator Chuck Hagel spoke to Gallup about his insights on the direction of United States foreign policy from his new book, "America: Our Next Chapter."

Data-driven insights into the Reverend Wright controversy in the U.S. election, Russia's new president, gas prices in the United States, and the food crisis in Bangladesh.

More than half of Democrats (60%) think that both Barack Obama and Hillary Clinton should continue to campaign for the Democratic nomination. Twenty-three percent say Clinton should drop out and 15% say Obama should drop out.

As allegations of corruption halt adoptions of Vietnamese children by American families, Gallup reports that the majority of Vietnamese (58%) think corruption is widespread within businesses in their country.

A slight majority (51%) of Americans say they have cut back significantly on their spending recently. Among those with incomes less than $35,000, 70% say they have had to cut back.

The Gallup-Healthways Well-Being Index finds 49% of Americans thriving, 47% struggling, and 4% suffering. CDC Director Julie Gerberding weighs in on the benefits of measuring well-being on a daily basis.