On Tuesday, August 29, Hiroshima was our destination. I'd just seen the movie "Oppenheimer" and was glad I saw it before visiting the location of the first angry atomic bomb blast. The politics of the development and eventual decision to use the bomb are probably the most serious that I have ever contemplated. Visiting Hiroshima was sobering. The city and its memorials showed me the other side, a not-well known side in the U.S., of this war story. In late July, I visited Munich, Germany, another target of Allied bombing in World War II. Both cities have been completely rebuilt. But, the reconstruction (which had to be done) covers over the massive destruction and loss of life. Reflecting on both visits, I became aware that these were once the countries considered our enemies. We bombed the crap out of them. Today, we are friends. In both cases, I didn't sense or experience resentment from my hosts. Looking on the rebuilt cities and countries, I felt bad about the...