From director Toby Haynes and screenwriter James Graham, the biographical drama Brexit (airing on HBO and available on HBO NOW, HBO GO and HBO On-Demand) connects all of the dots to illustrate how Dominic Cummings (Benedict Cumberbatch), the lead strategist of the Vote Leave campaign, launched a micro-targeted social media campaign that played on emotion rather than facts to convince British voters to leave the European Union. The result and the consequences of this referendum campaign are still playing out in Britain today, and will have an effect long into the future. During this 1-on-1 phone …