IEDs, Afghanistan, Wal-Mart, Marriage.
Need to Know examines a little-known military program and its $17 billion campaign to combat IEDs in Iraq and Afghanistan. We speak with analyst Jami Floyd about the Supreme Court's decision to dismiss a discrimination suit against Wal-Mart. Former Pentagon official Celeste Ward Gventer discusses President Obama's decision to withdraw troops from Afghanistan. And: What makes a happy marriage?