By Ralph Nader, from Return to Sender, a collection of 115 unanswered letters Nader sent to George W. Bush and Barack Obama between 2000 and 2015, out this month from Seven Stories Press.

Dear President Obama,

In previous correspondence I have taken note of the remarkably consistent practice by the White House of neither responding (whether by you or your staff) to substantive letters on pending or proposed public policies nor even providing the courtesy of acknowledging receipt. In 2009 I had a telephone conversation with Mr. Mike Kelleher, who was in charge of handling letters to the president. He…