This summer I was at the Oklahoma City National Memorial and Museum – a memorial to the April 19, 1995, bombing of the Murrah Federal building which killed 168 people. It is a beautiful and power memorial. We were only able to view the outside memorial due to the hour of the day but the symbolism of that place was powerful enough to help us feel a small sense of what happened in that sacred space 17 years ago. One of the most moving parts of the memorial for me was the Gates of Time. These monumental twin gates frame…