PRINCETON, NJ -- Despite Americans' harsh critiques of the political motives of each party in the debt ceiling battle, their overall job approval ratings of President Barack Obama, the Republicans in Congress, and the Democrats in Congress are about where they have been over the past year, albeit quite low.Obama's 45% approval rating in the latest USA Today/Gallup poll, as well as congressional Democrats' 33% rating and the Republicans' 28%, are all statistically similar to their...