battle station in "star wars" with the blast powerful enough to destroy an entire planet. the white house said it would cost too much to build and the administration is not in the business of blowing up planets. so that helps. >> how often do you see vice president joe biden, mayor bloomberg and m.c. hammer. it will be hammer time at the u.s. conference of mayors next week in washington. he's been experiencing a bit of a resurgence on thursday more than 270 mayors are scheduled to attend that. hammer time. armed guards or police officers at school in it's an idea that's come up a lot lately, but it has worked before. the former chief of security for city schools will join me next about what it could mean in 2013 and while inauguration preps are under way, so are the preparations for gun appreciation day and the lead organizer of that event will join us in the next hour. some questions for them. you're watching msnbc, the place for politics. when you have diabetes...