Why do people talk bad bout obama?

this is my oppinion about this im am young a freshman but look... i feel like if you are not voten shouldnt post comments for this because this man is trying to do his best for the u.s i mean i understand we have the right to speak our mind about things but still.he will do a better job than bush will.. i mean this is going to go in history i mean will make history...the young black men will have a POSITVIE role modle!!!!!! he is helping with scholarships and everything..he is going to bring troops home...come on now......this is my voice speakin 13 years old d jones!!!!!O O O OBAMA'08