The 43-year-old rapper, who rose to prominence in the early 90s, posted an open letter on the website "Mass Appeal" on Tuesday.
In the letter, Nas (whose full name is Nasir Jones) admits that he doesn't "pay attention to politics at the moment," saying that it doesn't make sense.
"We all know a racist is in office," he says.
"People can talk their sh*t. Comedians can sound racist. People can go through their moments of that sh*t," he continues, "but when you have the responsibility of being President and you carry on like that, you send a strong message to people outside of your group that they ain't worth sh*t."
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