As the fastest man alive, with 17 gold Olympic and IAAF medals in his trophy case, Usain Bolt was a man who could not be toppled. That is, at least, until the sprinter met Song Tao. Bolt had just won the men's 200-meter final in Beijing.
George W. Bush
One of the most indelible and enduring images of the 2008 presidential campaign was candidate Barack Obama's logo: a simple, clean, blue "O" rising like a sun above a prairie of receding red stripes. The design was instantly iconic, evoking hope, change, and a new dawn--all major themes of the Illinois senator's campaign.