With just 10-days until the election, Peter Dutton has unveiled the Coalition's defence policy — pledging to lift spending by $21 billion dollars over the next five years.

But as the Opposition tries to muscle up against Labor — suggesting the Government have been weak on national security — have they left it too late?

And the Coalition and One Nation have agreed to a preference deal. But what's behind the move?

Patricia Karvelas and David Speers break it all down on Politics Now.

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