Many parents believe that their children must be kept in an environment that is as clean as possible, but some research suggests that being exposed to what many would call unclean conditions is good for a child's immune system.
Sonia Maria Sotomayor (/ËsoÊnjÉ ËsoÊtÉËmaÉªÉr/, Spanish:; born June 25, 1954) is an Associate Justice of the Supreme Court of the United States, serving since August 2009.
Brooks Kraft / Corbis for TIME. President Barack Obama applauds federal appeals court judge Sonia Sotomayor, his nominee for the Supreme Court, in the East Room of the White House in Washington.