David Cameron is telling his audience in Glasgow that having the Trident nuclear deterrent is the "best insurance policy that you can have that you will never be subject to nuclear blackmail".
It took three questions to get on to the subject of cuts, with the Prime Minister saying that "defence can't be exempt altogether from difficult decisions".
He says that the new aircraft carriers, Typhoons and other Army kit will be best in the world despite the cuts.
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The 100th anniversary of Britain's worst rail disaster will be commemorated at a special service today.
Alcohol consumption in England has been underestimated by the equivalent of 12 million bottles of wine a week, new research suggests.