The world’s population is set to reach seven billion on Monday, October 31, 2011. The Takeaway is talking about what this monumental number means for people, resources and the planet.  One of the biggest questions is who exactly the seven billionth person will be and what his or her life will be like.  Suzanne Petroni is vice president for global health at the Public Health Institute, and she has some surprising predictions on who this person might be.   
the big question we’re tackling today is: who will the 7 billionth person be? And what will his or her life be like?

Suzanne Petroni is vice president for global health at the Public Health Institute, and she has some surprising predictions on who this person will b