Consider the year 1973: Vietnam war still winding down; the cold war is going strong; the Nixon presidency is falling apart. It is also the year that a family of six traveled to Japan, across Russia, and spent half a year in Europe before returning home from this trip all the way around the world. It Was the Adventure of a Lifetime. In 1973 Don Swenson decided to use his one-year sabbatical from the Los Alamos National Laboratory to visit some of...