Talk about gap years. Lennox Clarke took a few after high school-she had more pressing things to deal with, including an unplanned pregnancy. Now, with Ellery, her precocious five-year-old daughter, enrolled in preschool, Lennox finally has time to start her college career. She's looking forward to pursuing her nursing degree and expanding her circle of friends. New to Killdare University, visiting professor Dr. Booker Gannon is...