"While I believe I have the authority to carry out this military action without specific Congressional authorisation, I know that the country will be stronger if we take this course and our actions will be even more effective," President Obama said.
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Rain will affect most of the UK today, with Scotland remaining largely fine and brighter spells appearing in the east and south.
In a searingly emotive address, the president cast Hillary Clinton as the most qualified candidate to unify America as next US president.
The release is the second batch in a series of leaks that have rattled the Democratic Party.