>> dana: i apologize but we have to move on. coming up, should kids have tracking devices on them in school? one judge says it's legal. should it be? that discussion is ahead. >> kimberly: bob needs one. ♪ ♪ what do we want to build next ? that's the question. every day. when you have the most advanced tools, you want to make something with them. something that helps. helps safeguard our shores. helps someone see through a wall of fire. helps those nowhere near the right doctor stand a chance. ... feeling in the extremities ? no.