A topic that came up a lot during recent work meetings in Washington DC was the lessons to be drawn from Russia-Ukraine in case China-Taiwan tensions were suddenly to escalate. Nancy Pelosi’s recent trip to Taipei shows that such an escalation is an ever-present risk. The consensus view, at least initially, was that Beijing would be deterred by the unexpectedly large, coordinated response among western partners to the invasion of Ukraine. Hands up: I was surprised by the scale of…