Why Mercedes' 2019 form has gone off the boil

Mercedes started the 2019 F1 season with eight consecutive wins, but in the eight races since then it has only won three times. Edd Straw and Ben Anderson join Glenn Freeman to examine the team's explanation that it has backed off the development of this year's car, the role played by Ferrari and Red Bull in the turnaround of results, and they take a closer look at how close Mercedes has been to notching up several more wins in recent races