The regional vote in these hypothetical match-ups are interesting:
Obama vs Gingrich Northeast:
Obama 57%;
Gingrich 35% South:
Obama 51%;
Gingrich 45% Midwest:
Obama 44%;
Gingrich 44%West:
Obama 45%;
Gingrich 41% Obama vs Huckabee Northeast:
Obama 52%;
Huckabee 39%South:
Obama 51%;
Huckabee 42%Midwest:
Obama 43%;
Huckabee 46%West:
Obama 46%;
Huckabee 39% Obama vs Palin Northeast:
Obama 52% ;
Palin 42% South:
Obama 54% ;
Palin 41% Midwest:
Obama 48% ;
Palin 43% West:
Obama 45% ;
Palin 49% Obama vs Romney Northeast:
Obama 49% ;
Romney 38% South:
Obama 54% ;
Romney 36% Midwest:
Obama 48% ;
Romney 41% West:
Obama 38% ;
Romney 50% I don't know whether PPP's regions are compatible with the exits but in 2008, it was:
Northeast: Obama 59%; McCain 40%
South: Obama 45%; McCain 54%
Midwest: Obama 54%; McCain 44%
West: Obama 57%; McCain 40%
And to throw a bit of perspective, here are Gallup's most recent regional approvals and Research 2000's:
Gallup [week ending Jul. 12, 2009]
http://www.gallup.com/poll/121199/Obama-Weekly-Job-Approval-Demographic-Groups.aspxEast: 63% approve
South: 52% approve
Midwest: 60% approve
West: 60% approve
Research 2000/DailyKos [week ending Jul. 16, 2009]
http://www.dailykos.com/weeklypoll/2009/7/16Northeast: 86% favorable; 10% unfavorable
South: 35% favorable; 62% unfavorable
Midwest: 69% favorable; 27% unfavorable
West: 67% favorable; 31% unfavorable