"There have been times throughout American history where what is right is not the same as what is legal," Edward Snowden told NBC News.
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In an embarrassing setback for the president, Republicans failed to reach the number of votes to pass his new healthcare act into law.
It will feel pleasantly warm in the sunshine, with temperatures reaching 12 or 13 Celsius (54 to 55F).
Some of Britain's biggest stars of the stage and screen will be honoured at Buckingham Palace later today.