As America turns 250, many celebrations are looking back on our nation's past – but one looks to the future. By law, a time capsule is to be buried in Philadelphia on July 4, not to be opened until 2276, in time for America's quincentennial. Correspondent Faith Salie looks into what objects – h...
Source: [CBS News](https://www.cbsnews.com/video/a-time-capsule-for-americas-500th/)