A Park Radio presenter, who is set to hang up his headphones on his 70th birthday, is hoping for one last star interview before he steps aside – with Ed Sheeran. Mid Morning Show host Paul Stephen, who lives in Harleston with his wife, Trish, will be leaving the station on May 2. Having recently interviewed the likes of Paul Young, Shakatak, the Three Degrees, actor Stephen Berkoff, drummer Mel Gaynor from Simple Minds and Chris Amoo from The Real Thing, the presenter has not given up hope of holding a once-in-a-lifetime chat with the Framlingham superstar. He said: “In truth, it started as a …