we don't know when she will appear because her aides will not tell us. her stops included ft. mchenry and she's being cagey on the subject of whether it's a rolling civic lesson or a 2012 campaign. >> i believe there are many more people out there to add. competition breeds success. i would hope that there is going to be debate. >> also this day, president obama leads the traditional wreath laying at arlington national cemetery and announces a major change in his national security team. with america fighting three wars, we'll explain whether the new war council signals a new approach. >> i'm announcing my choice for the successors today because it transition must be seamless and we stay focused on the security challenges before us. >> but, first up, like it or