Harvard's crowded course to happiness 'Positive psychology' draws students in droves By Carey Goldberg Globe Staff / March 10, 2006 E-mail this article To: Invalid E-mail address Add a personal message:(80 character limit) Your E-mail: Invalid E-mail address Sending your article Your article has been sent. E-mail| Reprints| Text size – + CAMBRIDGE -- The most popular course at Harvard this semeste