More interesting:
% of white Democrats Obama/McCain
Louisiana - 38/60
Alabama - 47/51
Oklahoma - 59/41
Kentucky - 62/37
Arkansas - 68/28
West Virginia - 69/28
Texas - 78/20
Georgia - 78/22
Tennessee - 79/19
Wyoming - 80/20
South Carolina - 80/19
Florida - 81/18
South Dakota - 82/16
Nebraska - 83/17
Arizona - 83/16
North Carolina - 83/16
Maryland - 83/15
Missouri - 84/15
Kansas - 85/14
New Jersey - 85/14
New Mexico - 85/14
New York - 85/14
Ohio - 85/14
Pennsylvania - 85/14
Virginia - 86/14
Alaska - 86/13
Delaware - 86/13
Illinois - 86/13
Indiana - 86/13
Massachusetts - 86/13
Connecticut - 86/9
Idaho - 89/10
Maine - 89/10
Rhode Island - 89/10
North Dakota - 90/9
Nevada - 90/8
California - 91/8
Michigan - 91/8
Montana - 91/8
New Hampshire - 92/8
Oregon - 92/8
Iowa - 93/6
Minnesota - 94/6
Colorado - 95/5
Wisconsin - 95/5
Washington - 95/4
Hawaii - 96/4
Vermont - 96/3
D.C. - 97/3
Mississippi - No data (extrapolated to >50% McCain based on surrounding states)
Utah - No data (extrapolated to >80% Obama based on surrounding states)
lollouisiana
