How do you prove she did not do that? The only paperwork related to that would be if she did. Where is that?
I can make all kinds of false accusations of someone. They are not required to prove the did not do something. You have to prove they did it.
When did you stop beating your spouse? Prove it.
I'd be satisfied with Ted Cruz answering the simple yes or no question... Did his mother apply for and become a Canadian citizen before he was born?
I'd prefer to get it straight from his mouth, and not from his spokesman. A year before he renounced his Canadian citizenship his spokeswoman was saying "To our knowledge, he never had Canadian citizenship."