A new poll by Public Policy Polling (pdf) has Obama regaining a sizable lead the dissipated during the worst of the Wright controversy coverage. Obama leads in the poll by 21 points over his rival, 55-34.
Obama leads 80-14% among black voters.
Clinton leads 47-40% among white voters, which is a noticeable tightening; she led 56-30% only a week before.
Read more details of the poll here (pdf).