"I am convinced that genuine happiness - because it makes people more peaceful, more giving, and more effective - has the power to change the world, " Raison says.

CNN: Mental Health Q&A from CNN health

Raison is also internationally recognized for his expertise in the diagnosis and treatment of interferon-alpha-induced depression and anxiety.

CNN: Mental Health Q&A from CNN health

Indeed, it was the highly successful merger of Bill Casey's Wall Street and national security experiences that largely gave birth to the field of International Economic Security--the overarching theme of the Casey Institute's work program and raison d'etre.

CENTERFORSECURITYPOLICY: Center For Security Policy

Things have been further complicated by management changes at the Times which have resulted in the Times hiring a number of editors - including several from the Washington Post - and reporters with a very different political orientation than the rock-ribbed conservatism that has been that paper's hallmark, and its raison d'etre.

CENTERFORSECURITYPOLICY: In Honor of Mary Lou Forbes

They had an important political raison d'etre as well, however, bringing together representatives from all the various independent city-states that at that time made up the Greek world, states that more often than not were at war with each other.

CNN: The Ancient Olympics