She'd claim that there's no 22nd month...so the signature means nothing.
Exactly. Even though common sense says she merely used the European date accidentally, and she signed it Jan 22, 2009, this is exactly the kind of dodge the Clintons are famous for. What does "is" mean, anyway?
She dated it that way on purpose, for just such an emergency, and this defense will be whipped out from the oddly shaped dress in a heartbeat.