Up In The Air

Workers clean up Zuccotti Park after New York City police in riot gear removed Occupy Wall Street protesters early on November 15, 2011 in New York.

The latest on the Occupy Wall Street removal from Zuccotti Park early this morning. Plus, Kate Ascher, Columbia University urban development professor and author of the new book The Heights: Anatomy of a Skyscraper, explains how skyscrapers are built and how they shape the way we live; and artist Shepard Fairey discusses art as activism.