Listen to this article Ahead of the inaugural grand prix race around the Miami circuit on Sunday, there have been criticisms from drivers about two key aspects. The first is that the track surface has proved far from ideal, with it being so dirty off line that drivers fear that overtaking will be too difficult because cars will need to stay on line or risk trouble. Sergio Perez labelled the situation a “joke” as he suggested things would be very difficult in the race. The other aspect that not all drivers are content about is the tight Turn 14/15 uphill chicane under the turnpike, which Lewis Hamilton said reminded him of driving around a B&Q car park in a go-kart. But while Miami was clear from before the weekend that the track concept was deliberately intended to create such “mistake generators” for better racing, it is open to making any alterations that it thinks will improve things for next year. Tom Garfinkel, the managing partner of the Mia …