Task: Question Answering
Input (English): Context: Recent polls showed Obama with an advantage with voters in handling the economy . The move put Obama in a bind . Rejecting the idea would allow McCain alone to appear above politics , but agreeing to suspend campaigning and the debate could make Obama look like he 's following McCain 's lead . Advisers also say that McCain still wants to participate in all three presidential debates , but that the schedule is up in the air . 
Question: What may be the purpose of this post ?
Output (English): To describe politics.