By Bryan Bartlett
Murray, KY – March 17th may be just another day of the year but it is a day when the whole world becomes Irish. For many of us, Saint Patrick's Day means parades, leprechauns and green galore. But for Dr. William Mulligan, identifying with the Irish is significant beyond the yearly celebration - so much so that he teaches a college course on the subject.
Click the "Listen" icon to hear Bryan Bartlett's interview with Dr. William Mulligan