Gina Miller, a prominent Brexit legal campaigner, urges the next UK Prime Minister to establish a clear strategy for the country's relationship with the EU following Keir Starmer's resignation. She emphasizes the need for transparency and parliamentary debate in any future alignment with the EU, while reflecting on the divisive impact of Brexit on British society and the economy. Miller's legal challenges during the Brexit process highlight the importance of ensuring that Prime Ministers adhere to the law and do not bypass parliamentary oversight.