By Simon Massey Politicians have paid lip service to ‘global Britain’ but the reality is that Brexit has made international trade harder for businesses, says Simon Massey If you’re a business leader that’s been scouring the party manifestos this week for a detailed plan on how either Rachel Reeves or Jeremy Hunt are looking to turbocharge growth, you will probably have been left sorely disappointed. While the main parties have talked loudly of their ambitions to restore the UK’s trend GDP growth, there has so far in this campaign been a deafening silence when it comes to boosting international…