If a person is going to make an argument or declaration that includes facts or even just an effort to persuade, then they must at least adhere to the lowest common denominator of a written argument to be taken seriously.
Our inability to express ourselves with clarity, simplicity and vigor is the death of effective human affairs. The light at the end of the tunnel is that we, if we care enough to speak and write properly, will shine.
Below is the exact same personal letter, punctuated two different ways. After reading them both, you'll agree that proper punctuation can spell the difference between a second date and a restraining order.
When I hear Sarah Palin consistently fail to answer who is doing what to whom, it makes me suspicious that a) she doesn't know; b) she doesn't want to say; or c) she simply doesn't think in terms of cause and effect.