Neat story but the President was authorized to do what was necessary. He
wasn't required to (nor should he) kneel down before France and the UN (as
Kerry would) and ask them for permission.
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You say "the Pres. was authorized to what was necessary." So, can you
find in the congressional record what was voted on exactly? If you can
show congress authorized broader power than what I'm saying, I'll be
the first to admit I'm wrong.