Lloyd Kramer, Chair of UNC-Chapel Hill History Department and Joel Colton, Professor of History at Duke University from 1947-1989, authors of A History of the Modern World, about the book and how the authors of a major college history text decide what students across the country will study.  Check the books outlines and many maps at http://highered.mcgraw-hill.com/sites/0073106925/information_center_view0/