Doubt CBS will do the correct thing and fire him - file a complaint with FCC:
http://esupport.fcc.gov/complaints.htm
I think it’s better to write to the sponsors. I don’t want the FCC to be deciding what comedians say. They might decide that Jeff Dunham (”Silence! I keel you!”—Achmed the dead terrorist) could say.
I just filed a complaint and that felt GOOOOOOOOOOOOOOOOOOOOOOOOD!