Entitlements

Nearly half of all Americans now live in a household that receives some form of benefit from the government--the highest proportion in history.

Glossary: 

Yes, Prof Kotlikoff appears very active on the op-ed front:

http://www.bloomberg.com/news/2010-10-22/u-s-debt-is-child-abuse-laurence-j-kotlikoff-richard-munroe.html