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As leaders gather for NATO's 70-year anniversary, Gallup reviews its archives for insights on what Americans think about the longtime defense pact.
On Sept. 1, 1939, Nazi Germany invaded Poland. At the time, Americans favored supporting the Poles, up to a point.
A new tax incentive might not be enough to keep the 27% of young Poles in 2018 who said they would like to leave their country from leaving.
The European Union parliamentary elections this week give new urgency to finding an answer to the question of what is driving populist success.
3 Billion Still Looking for Great Jobs