See? Once again alt-Left and alt-Right America-haters can join hands in agreement that an oath to God means nothing once a person leaves their position.It's an oath of office. The duration would be the time in office. It's irrelevant after that as you have highlighted here with your McVeigh example.
According to the U.S. Constitution, the President-Elect should take the oath before saying, "So help me, God."
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