By Veronika Bondarenko But new research suggests it isn’t going to be easy to get them to. American’s trying to lead healthier lives have some readily available tools to help them. But in spite of decades of research and revisions, they’re not having as much impact as they could. Put another way: You can lead an American to fast food, but you can’t make them read the nutrition labels. That at least seems to be the takeaway from a new study of the effectiveness of the nutritional labels required by the Food and Drug Administration. Do those fries come with trans fats? Is the medium bag of movie…