Mitt Romney Lost Count of How Many Grandchildren He Has

On the left: Mitt Romney, tweeting in July about grandchild "#22." On the right: Romney, today, welcoming his "22nd grandchild." Does the adopted one not count, or something?
On the left: Mitt Romney, tweeting in July about grandchild "#22." On the right: Romney, today, welcoming his "22nd grandchild." Does the adopted one not count, or something?