Yeah, white people can never catch a break in this country.

President Obama commented on the Martin case in response to a direct question from a reporter. Obama: 'If I had a son, he'd look like Trayvon' (1:53) - The Washington Post

I suspect that if he is asked about the case you've cited he will express regret about it. I doubt that he will call the boy's parents, especially since he hasn't called Martin's parents.