It’s not easy being piggy in the middle in France these days. The centre-right Republican Party still hasn’t made up its mind who should lead it into next year’s presidential elections, the first round of which takes place on 10 April. But at least the short-list has more or less been established, with front-runner Xavier Bertrand continuing to fight off challenges from Valérie Pécresse and – wait for it – Britain’s Brexit nemesis Michel Barnier.