sasirin pamai/iStock via Getty Images Amarin (NASDAQ:AMRN) isn't dead, after all. Sarissa seems to be doing what they promised to do - turning it around and giving it new life. I wasn't a believer before, but I could well become one soon. Things are looking that good. The Amarin story, very briefly, is this: fish oil has been used for ages as a health supplement. Fish oil contains omega-3 fatty acids, which has been assumed to be responsible for those health benefits. Omega-3 fatty acids are essential polyu ...