Sam Wareing and I first met when I visited Berlin in July 2014.   It was the height of a stinking hot summer, extremely humid, and glorious as Berlin summers are wont to be. I remember being shocked that a Central European city could have such capacity for a ‘Darwin summer’, a place I’d also lived, with weather I’d been equally astonished by.   My husband Oliver and I spent 10 days soaked in sweat zooming around the cobble-stoned streets, getting to know the city. At the back of our minds we were scoping it out hopefully, as a potential place to live. Meeting Sam, and listening to what she had to say about it, helped clinch the deal.   I was also there…