EVERYONE is piling on Sarah Palin, even though she will never be president of the United States. The Alaska governor is everyone's favorite foil, from the left-wing Huffington Post to the ever-posturing Mitt Romney. John McCain, the Republican presidential nominee who cynically chose her as his running mate, now snubs her with relish. They all act like she has a real chance to win the White House, when they all know the truth. When it comes to be taken seriously by the general electorate as a potential president, it's as over for her as it was for Dan Quayle. Quayle...