I applaud a recent letter writer’s assertion that we are all one people [“First lady didn’t need to mention slavery,” Aug. 5]. However, we don’t all have the same history.

Every Passover for thousands of years, Jews have remembered their servitude in Egypt. So I understand the importance of Michelle Obama’s referring to African-American slaves who helped build the White House in her moving speech at the Democratic National Convention.

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We must heed philosopher George Santayana’s dire warning: “Those who cannot remember the past are condemned to repeat it.”

Carol Cott Gross, East Northport