President Obama is spending the next week crisscrossing the country in support of Democratic candidates before this year's midterm elections. While the president may do a great job of energizing the base, he may not be able to convert any Independents who have yet to decide for whom they will vote. Currently, two-thirds of Americans (67%) have a negative opinion of the job President Obama is doing while just over one-third (37%) have a positive opinion. This continues the president's downward trend and he is now at the lowest job approval rating of his presidency. These are some of the...