For many years, Americans were taught to fear fat, with fatty foods getting the blame for our country’s obesity epidemic, among other health issues. But studies have since made it clear that there is a fatty spectrum, with trans fats on the unhealthy side, monounsaturated and polyunsaturated fats on the healthy side, and saturated fats falling somewhere in the middle (or even leaning to the healthy side, depending on whom you ask). Red meat often contains high levels of saturated fat, but i...