national intelligence testified there were warnings of possible egyptian unrest late last year but she said they weren't specific. >> we were warned of instability. we didn't know what the triggering mechanism would be for that and that happened ended last year. >> reporter: since then the community has been working flat out to try to understand the broader implications of arab unrest since tunisia's president was toppled last month. >> shep: wendell goler. in egypt they seem inspired and the protests begin. now, they are asking for that fall president. now yemen, protests took the streets calling for more freedom. so far things have remained peaceful but remember for a time