Three Nobel laureates threw their support Monday behind a prize to be awarded to Spanish-language women writers 35 or younger living in the United States or Mexico.Gabriel Garcia Marquez from Colombia, Toni Morrison from the United States and Seamus Heaney from Ireland offered their support for the Aura Estrada Prize in memory of a Mexican writer who died in 2007 at age 30.The authors won Nobel awards in literature in 1982, 1993 and 1996 respectively."Good causes must be supported. This prize...