President Barack Obama. In the face of a public weary of a decade of war in Iraq and Afghanistan and sceptical members of Congress who are unsure of the unintended consequences of US military strikes against Syrian government forces, the Obama team is facing an uphill struggle to make its case.

US president Barack Obama is pressing foreign leaders at the G20 summit of world leaders to support military action against Syria over alleged chemica(...)

Protesters hold red hands up as US secretary of state John Kerry speaks before the House Foreign Affairs Committee on Capitol Hill in Washington. Photograph: Doug Mills/The New York Times

A US Senate committee approved limited US military intervention in Syria, setting the stage for a contentious debate in the full Senate next week o(...)