 Complete the following phrase:  Félix Sánchez, born August 30, 1977 is a retired Dominican-American track and field athlete. He is of Dominican descent, was born and raised in the United States, and competed for the Dominican Republic, specializing in the 400 meter hurdles. He is a two-time Olympic gold medallist, winning gold in 2004 and 2012, and was also World Champion in 2001 and 