Political commentator Iain Dale has told Daybreak that marriage "is a very conservative principle."
"David Cameron should be congratulated for providing the lead on gay marriages," he added.
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The Prime Minister and the Leader of the Opposition praised the courage of Britain's armed forces in a Christmas message to troops.
Nick Clegg has vowed to avoid appearances on reality shows like I'm a Celebrity Get Me Out of Here! when he stands down as an MP.
Immortalised in the film Zulu, the Battle of Rorke's Drift is an iconic episode of British military history.