New York TimesBy RICHARD PÉREZ-PEÑA. Alumni of elite colleges are accustomed to getting requests for money from their alma mater, but the appeal that Harvard sent to thousands of graduates on Monday was something new: a plea to donate their time and intellects to the rapidly expanding field of online education. For the first time, Harvard has opened a humanities course, The Ancient Greek Hero, as a free online class. In an e-mail sent Monday, it asked alumni who had taken the course at the university to volunteer as online mentors and discussion group managers. Read more...