Letter: Make the truth great again

It seems odd to me that someone who is in a court of law takes an oath to tell the truth, “so help me God,” with the penalty of perjury, a felony, up to five years in prison, with fines and probation, while telling the truth is not a requirement to get elected to the highest office in the land, or any political position.Why can an elected official who lied to get elected (Mexican wall, “great health care plan,” debt “erased in eight years”) or who lies about f