Inside Information

Wall Street Journal reporter Timothy Martin explains a new nutritional-scoring system being tested at grocery stores. Then, imagine what would happen if the United States ran out of phone or Social Security numbers—well, that’s exactly what's happening with IP addresses, and Tech writer Alexis Madrigal tells us what it means for the way we communicate in our Internet-driven world.  Samuel Maoz discusses writing and directing the award winning Israeli film “Lebanon.” And Please Explain is all about heat stroke!