There are some people that appear larger than life. They just do. John F. Kennedy was one of those people. Regardless of what you think of his presidency or his politics or even his person he was a larger than life figure.
It is widely recognized as the most powerful American speech ever delivered and was ranked number one by rhetoric scholars as the greatest speech of the 20th century. It was given on the steps of the Lincoln Memorial in Washington, D. C., on a hot, summer day, August 28, 1963.