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Barack Obama sets out US foreign policy

In a major foreign policy address, President Barack Obama has said "not every problem has a military solution" but he added: "We must always lead."

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Obama fights critics by saying the 'world is changing'

President Barack Obama fought back against critics of his foreign policy on Wednesday, by insisting a US reliance on diplomacy over military intervention was working, pledging to ramp up support for Syria's opposition.

Obama was speaking to cadets at West Point Military Academy and used the platform to state that his "bottom line" was that "America must always lead on the world stage."

ITV News' Washington correspondent Robert Moore reports:

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