SAN ANTONIO — One of the great upsides to a national book tour is the chance to break out of television's cocoon and interact directly with the American people. Don't get me wrong; I love what I do at Fox News. My "beat" is keeping company with soldiers, sailors, airmen, guardsmen, Marines, special operators and others who protect us from harm. Though I live with these American heroes for weeks at a time overseas, I rarely have the opportunity to look their loved ones in the eye without visiting our wounded at a military hospital. A book tour completely alters...