Barack Obama's journey of discovery had ended. It has started in Hawaii and taken him to Indonesia, Los Angeles, New York City, Chicago, Africa, Boston and Washington D.C. Now Barack Obama know who he was. He was president of the United States of America.This Macmillan Biography looks at the people and places that most influenced Obama -- from lost teenager and low-paid community worker -- to his inauguration in 2009 as America's first black president.