 Complete the following phrase:  Steven López born November 9, 1978 is a Nicaraguan-born American taekwondo competitor, a 2000 and 2004 Olympic gold medalist in the -68 and -80 kg divisions, respectively and a 2008 Olympic bronze medalist again in the -80 kg division and 4th Dan in taekwondo. In 2001, he won the Lightweight Taekwondo World Championship, and in 2003 he won the Welterweight 