VOICED: Team USA ready to banish ghosts of Beijing

The 2012 Olympic Games shift focus to track and field, where the American team aims for 30 medals. After underperforming in Beijing, the team is determined to excel. Key athletes like Justin Gatlin and Tyson Gay are set to challenge the Jamaican sprinters. In women's events, Sanya Richards Ross and Allyson Felix are strong contenders. The hurdles feature intense competition, with Jason Richardson and Dawn Harper leading the charge. Team USA, the most successful in history, seeks nothing less than a gold rush.

What is the main focus of the 2012 Olympic Games as mentioned in the text?

How many medals are the Americans targeting in track and field events?

Which athletes are mentioned as capable of disrupting the Jamaican sprint trio?

What are the events that Sanya Richards Ross is aiming to win?

What does Jason Richardson acknowledge will be necessary to beat Dayron Robles?