A nation constantly under the threat of a much larger power. A nation with an invasion always at the back of its mind. A nation that does have allies, but is still not sure whether those friends will help if war comes. Taiwan, on the face of it, appears just like Ukraine. But with tensions rising in the region because US House Speaker Nancy Pelosi could make a controversial visit there this week, any future conflict would engulf the two great superpowers of this century - the US and China. In today’s episode of the Fourcast, our International editor Lindsey Hilsum puts the current flare up into context as geopolitics comes to terms with a future where Beijing is King. Sources: AFP News Agency, NewsNation, NowThis News Producer: Freya Pickford