Washington (AP) - According to President Barack Obama, Americans are angry, frustrated, scared, anxious, uncertain, nervous, discouraged and shaken up. They're also confused and not thinking clearly. Heading into critical midterm elections, Obama has been freely sharing this gloomy diagnosis on the campaign trail, at times sounding more like a psychiatrist than a politician. He usually couples it with a reminder that the country's been through tough times before and is resilient enough to bounce back, and an appeal to voters to "choose hope over fear." -snip- Americans would be more supportive of his policies, the president suggests, if they...