The gender debate has become increasingly difficult for the Labour Party as the election campaign has rumbled on. JK Rowling has now agreed to meet with Labour to discuss gender transition policy, after writing in The Times that she'd struggle to vote for the party after feeling dismissed by them. After the election, will gender become an increasingly difficult issue for Keir Starmer? Megan McElroy speaks to Katy Balls and Sonia Sodha, chief leader writer and columnist at the Observer