Labour knows it needs to win over the ‘sea wall’ cohort of coastal voters in the next election. But as anger over inequality grows, time is running out It is a lovely sunny autumn day in Ramsgate on Britain’s Kent coast, and quintessential seaside chippy Peter’s Fish Factory is doing a roaring lunchtime trade. Across the road, at the entrance to the town’s pier, local MP and chair of the newly reformed coastal parliamentary Labour party (PLP), Polly Billington, is having her photo taken. In between shots she shows us the community art project that adorns the fence along…