No, but they remain inaccurate. If the weatherman keeps getting it wrong, there's no reason to trust what he says in the future, regardless of whether he knew what he was saying was wrong or not.
Here, though, I think there's ample evidence that Clinton lied. For one thing, her narrative kept shifting every time what she had said was revealed to be untrue. And there were those deflections about how it's all just over-classification in government. At some point, you just have to admit you have no idea what the truth is, so let's wait and see what the people reviewing the emails have to say. Then there was that episode when, confronted with agreements in which she admitted that unmarked classification still had to be recognized and protected, she responded that there has to be some markings. It doesn't get much more clear-cut than openly contradicting yourself. More recently, there were her attempts to spin what Comey said about her conduct.
But, hey! Maybe Clinton's just a dummy rather than a liar.
