Photo by Carl Court/Getty Images We are all products of our environment. The peppered moth evolved darker colouring to better camouflage in the sooty landscape of post Industrial Revolution Britain – then started reverting to its lighter form as clean air legislation reduced pollution. Sockeye salmon have changed their yearly migration patterns in response to climate change. Urbanisation is driving populations of white clover to alter the level of the defensive toxin cyanide they produce. All of which is to say: the conditions of the game set the result. And as in nature, so in leadership contests – as the Labour Party is currently finding out. If Labour followed the same process for removing a leader as the Conservatives – the one we have grown so used to over the past decade – a challenge against Keir Starmer would undoubtedly have been launched by now.…