Here's what you need to know for tonight's debate with VP Joe Biden and Congressman Paul Ryan.
The debate will cover both foreign and domestic topics and be divided into nine time segments of approximately 10 minutes each. The moderator will ask an opening question, after which each candidate will have two minutes to respond. The moderator will use the balance of the time in the segment for a discussion of the question.
Determine who has the best (and worst) credit by that person's name - find out more by clicking through to today's "3 Things You Need to Know"
How fast do you get going when you're pushing a baby stroller? Probably not this fast - watch today's "Video of the Day"