With the approach of the centennial of John F. Kennedy's birth, it's fair to ask: Will his legacy endure? By Tom Kertscher Last July [2016], President Barack Obama signed a law creating the John F. Kennedy Centennial Commission, which will develop and carry out activities to mark the 100th anniversary of Kennedy’s birth on May 29, 2017. Kennedy, polls have shown, continues to be among the most highly regarded presidents. But only about a third of Americans were alive when he was assassinated in 1963. So, it’s fair to ask: Will Kennedy will remain relevant? Emily Jennett Butler ’90, a…