When will taekwondo start in the beijing olympics. I really want to watch it?

i want to watch it. DOes anyone have dates for it and what channal would it be on? help?|||Taekwondo competition will be on August 20 to 23. I%26#039;m sure NBC will televise this event especially that Steven Lopez will go for his third consecutive gold medal. and the Lopez siblings will go for history if they win gold medal in their respective divisions.