I think it's pretty ridiculous how dramatic people are being to this question. They asked a question, if you don't have a response, don't answer. Don't type just to talk down @smm and feel good about yourself for voicing your opinion on a subject that you are just SO passionate about. It was a mistake, and there's no way in hell everyone here hasn't made a few of those in their lifetime.
@smm, I have a friend in TX who recently got a DWI (DWIs are not distributed that often, but they are in TX. DWI is more severe punishment, and remains on your records longer than a DUI usually. I know bc my brother got one), as well as she had a couple of other minor alcohol tickets. She had just graduated in accounting, and was getting ready to sit for the CPA. They didn't end up letting her sit for the CPA exam, because they said she had to wait some time. Now, she's working with an accounting firm, as a staff accountant, in TX, and she recently met with the state board who have allowed for her to now sit for the CPA exam. This all happened w/in a year also.
You have already passed the exam, and so I do think you will be fine. Try and focus on the positives in interviews. Obviously explain what happened with the DUI, but turn it into good, such as what you've learned from it and how far you've come so far. However, if you get an interviewer that acts like some people are on this forum (and I'm sure you will) then, of course, you probably won't have a good chance; however, who would want to work with someone that looks down and judges you constantly? Just my thoughts... but good luck!