Did you even bother to read the first line of the posting?
"An innocent mistake, obviously, but still good for a few chuckles."
How hard is it to figure out that no one thinks this is a BIG story. But, guarantee: If Romney had done the same it would make a "fun" little side on a lot of broadcasts, on blogs, websites and in newspapers. Innocent mistake. Good for a few chuckles. Grow up and move on.