when you can see data as it happens, it can help cut commute times by 50%, reduce carbon emmissions by 14%. on a smarter planet, we can capture, analyze, and use data in new ways to do what they're doing in places like singapore and stockholm and build a smarter transportation system. let's build a smarter planet. [ wind howling ] [ male announcer ] it balances you... [ water crashing ] [ male announcer ] ...it fills you with energy... and it gives you what you're looking for to live a more natural life, in a convenient two bar pack. this is nature valley... delicious granola bars made with 100% natural ingredients. nature valley. 100% natural, 100% delicious. >> announcer: "nightline" continues from new york city with cynthia mcfadden. >> to politics now. the obama administration apologized today to a former department of agriculture employee who was fired this week when conservative bloggers released a tape that seemed to catch her making remarks that were racist. turned out the tape was not what it seem. the man who released the tape is now well known to democrats as a formidable an