In final letter, John McCain says he "lived and died a proud American"

A final letter from Sen. John McCain expressed his deep gratitude and love of country and offered words of wisdom to his fellow Americans.Rick Davis, former presidential campaign manager for McCain who is serving as a family spokesman, read the farewell message at a press briefing in Phoenix.In the statement, McCain reflected on the privilege of serving his country and said he tried to do so honorably. He also touched on today's politics."Do not despair of our present difficulties but believe al