NYU business professor Scott Galloway, author of the new book “The Algebra of Happiness” and co-host with Kara Swisher of Vox’s Pivot Podcast, was celebrated at a book party in Washington, D.C. hosted by Hilary Rosen, Kara Swisher and Tammy Haddad. Galloway's book tells the story of how you can have a happier life by looking at things in a completely different way. It’s based on a lecture he gives during the final session of the course he teaches which is standing room only.