Cumbrian MP Rory Stewart says the UK should consider sending troops to Poland to counter threats from Russia.
The politician has just been given the power to influence Britain's place in the world with his appointment as elected chair of Parliament's powerful Defence Committee.
In an exclusive interview with ITV Border, he said recent events in Ukraine felt like a return to the cold war, and that Britain had to respond.
Our Political Correspondent Paul Brand asked him why he was saying what other politicians wouldn't.
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With the election of Richard Leonard today everything is changed, changed utterly for Labour in Scotland.