Obama: How He Learned to Win

Barack Obama had not been in politics for long when he got his tail whipped by a veteran Chicago Congressman in his own backyard. For a brief period that followed, Obama seemed a bit unsure about what to do with his life--the same kind of unsettling early stumble made by others who went on to seek--and often win--the presidency. Yet within four years, Obama had won a seat in the U.S. Senate. Less than four years after that, he has all but clinched the Democratic nomination for President.
http://www.time.com/time/magazine/article/0,9171,1738494,00.html