Air Force Secretary Deborah Lee James will deliver the keynote address to graduating Air Force Academy cadets in Colorado Springs May 28. The event will be open to the public. Details on ticket availability haven't been announced. The graduation, which the school earlier announced is delayed a day by budget concerns, will see about 1,000 senior cadets become second lieutenants. What those cadets will hear from James hasn't been announced, but the secretary has dropped some strong hints. James, who has served as the service's civilian leader for just over a year, has pushed an Air Force modernization framework dubbed "a call to the future" that seeks to balance the needs of airmen, fiscal constraints and technological