The call came just after midnight, waking Colonel Mark Graham and his wife, Carol, instantly. Mark worked for the four-star American general charged with protecting South Korea from a sudden ...

It may be a best-seller, but to Mark and Carol Graham ... "We had so much sorrow," Carol Graham said. "The Invisible Front," a 300-page book by author Yochi Dreazen, is the latest in the effort ...

Mark Graham was the ... great grades,” said the elder Graham, who retired as a two-star general in 2012. The experience of the Grahams is described in “The Invisible Front: Love and Loss ...