If you haven’t been to Sunshine’s on Nevis, it seems that you’re missing something. In fact, the people at Carib Journal say that the Killer Bee there is “the greatest rum punch in the Caribbean.” And all this time I thought that a Painkiller at Foxy’s on Jost Van Dike in the BVI was pretty good. But then I, and I suspect a lot of you, haven’t been to Sunshine’s yet. In person, Sunshine is Llewellyn Caines, and he’s been running Sunshine’s Beach Bar & Grill for the past 25 years. It’s on Pinney’s Beach on the west end of…