http://chronicle.com/img/photos/biz/bottomline-45.pngBy Don Troop. Less than a third of American colleges managed to attract individual donations of $1-million or more from 2000 to 2012, leaving the other two-thirds to wonder: What is their secret? According to a study released on Tuesday, a number of factors influence an institution’s chances of landing a big gift, including presidential tenure, the student experience, and the philanthropic example that its board members set. More...