Several months ago a huge billboard appeared near Wyoming, Minnesota, with a beaming photo of George W. Bush with the caption “Miss me yet?” The answer to that question is clearly yes, according to a new CNN/Opinion Research poll, which shows the former president staging a remarkable political recovery despite having largely disappeared from public life since leaving office: By 47 to 45 percent, Americans say Obama is a better president than George W. Bush. But that two point margin is down from a 23 point advantage one year ago. ...The CNN poll is of course deeply humiliating for the...