Greg Jaffe covers the military for The Washington Post where he has been since March 2009. Prior to the Post, he was a reporter with The Wall Street Journal from 1995-2008. He is the co-author of the book The Fourth Star about the lives of Generals Casey, Abizaid, Chiarelli, and Petraeus from 1970 through the Iraq war. Jaffe has made multiple trips to Afghanistan and Iraq and embedded with troops at all levels.

The story of how Petraeus began his career at West Point, won the heart of the superintendent’s daughter, and became the soldier that Obama is counting on to win in Afghanistan. An exclusive excerpt from The Fourth Star .