Ian Collins is Leading Britain's Conversation.
3 December 2016, 12:35
Matt Frei explains the huge risks that underpin Donald Trump phone call with the Taiwanese president.
Talking on his LBC show he explained why the Chinese government will be scrutinising the phone call between Trump and Taiwanese president Tsai Ing-wen.
It breaks nearly 40 years of democratic protocol, which dictates that the US only deals with the government in Beijing, which views Taiwan as a breakaway province.