Since the shah’s ouster in February 1979, Iran’s Islamic regime has been propelled by Ayatollah Khomeini’s revolutionary vision and underpinned by its animus toward the United States.

Algerians are protesting in large numbers over moves to maintain ailing longtime leader Abdelaziz Bouteflika in power. The ruling elite faces a test of legitimacy that could spark unrest in a region …

The conference in Poland will be a major test of the world’s collective political will to fight global warming. Following through on promises made in Paris will not be easy.

Populist parties are looking to make big gains in European Parliament elections. That could disrupt EU policy on issues from trade to migration.

Thailand will go through the motions of free elections in March, but the likely result will be entrenched authoritarian rule and further instability.