[rogue yam]

...get into a fight...

You say this as if the fight just happened. Somebody started the fight. Maybe it was Trayvon.

[Jonty30]

Zimmerman initiated contact, in an aggressive manner. The teen likely, and had reason to, thought his life was in danger. He had every reason to fight under the assumption his life was in danger.

I would to, under the known circumstances, and so would you as it would be very stupid to not do.

[aruanan]

You say this as if the fight just happened. Somebody started the fight. Maybe it was Trayvon.

You don't read very well.

If a young person is being pursued in the dark by a stranger who is not a cop and then accosted, he's justified in doing whatever he has to do to get away.