BERLIN -- A line of cobblestones in the street marks where the Wall once ran through the middle of town. Just on the East German side of Friedrichstrasse, in an empty lot, is a field of crosses honoring those who died trying to escape the totalitarian rule of East Germany. A few yards from this memorial was Checkpoint Charlie, the entry point from the Soviet sector of East Berlin to the American sector. A museum there remembers 18-year-old Peter Fechter, who on August 17, 1962, was shot scaling the Berlin Wall in a bid for freedom. The guards let him...