No incumbent has ever been re-elected with unemployment this high . Among Obama 's advantages : incumbency , more room for error , demographics . Independents and conservative Democrats in battleground states are key targets . Comment:
No incumbent has ever been re-elected with unemployment this high . Among Obama 's advantages : incumbency , more room for error , demographics . Independents and conservative Democrats in battleground states are key targets . Economic data make it hard to make case that Americans are better off than four years ago .