"Part of what's in a pilgrim's heart is this longing for more in life and the idea of being on a journey," says Randy Haycock, a chaplain at Walter Reed Army Medical Center who leads monthly pilgrimages to Washington National Cathedral for Walter Reed's Warrior Transition Brigade.

"Part of what's in a pilgrim's heart is this longing for more in life and the idea of being on a journey," says Randy Haycock, a chaplain at Walter Reed Army Medical Center who leads monthly pilgrimages to Washington National Cathedral for Walter Reed's Warrior Transition Brigade.

In a new book, this historian and professor of international relations writes that America's long military campaigns in Afghanistan and Iraq "demonstrated the folly of imagining that war could be mastered" and demolished "Washington's pretensions to moral superiority."

A report on an army boot camp for chaplains where they learn to carry out their ministry within the military culture.