Don't Eat the Marshmallows Yet

 

http://www.ted.com/talks/joachim_de_posada_says_don_t_eat_the_marshmallow_yet.html

 

New Yorker Magazine

http://www.newyorker.com/reporting/2009/05/18/090518fa_fact_lehrer

 

Would Arne Duncan Have Eaten The Marshmallow?

 

What is the main idea of the marshmallow principle?