Poll        Date        Sample        Approve        Disapprove        Spread

RCP Average                        5/15 - 5/27        --              47.4        46.1 +1.3
Rasmussen Reports        5/25 - 5/27        1500 LV        48        52         -4
Gallup                              5/25 - 5/27        1547 A        45        47         -2
CBS News                     5/20 - 5/24        1054 A        47        43         +4
Quinnipiac                     5/19 - 5/24        1914 RV        48        43         +5
CNN/Opinion             5/21 - 5/23        1023 A        51        46         +5
NBC News                     5/20 - 5/23        700 A        48        45         +3
FOX News                    5/18 - 5/19        900 RV        45        46         -1
Democracy Corps    5/15 - 5/18        1000 RV        47        47        Tie