When David Petraeus visited the Harvard Kennedy School in 2009, one of the meetings he requested was with author Doris Kearns Goodwin. Petraeus, who holds a PhD in International Relations from Princeton, is a fan of Team of Rivals and wanted time to speak to the famed historian about her work. Apparently, the great general (and current CIA Director) is something of a bibliophile. He's increasingly an outlier. Even as global literacy rates are high (84%), people are reading less and less deeply. The National Endowment for the Arts (PDF) has found that "[r]eading has declined among every group of...