3:00 p.m.: Here's a good video preview of tonight's debate with Dan Harris, Amy Walter and Olivier Knox:

2:11 p.m.: ABC News' Tech Reporter Joanna Stern reports from California: Apple plans to show us a "little more" Tuesday. Will it be an iPad Mini? A smaller, 13-inch version of the MacBook Pro with retina display? The regular iPad with the new lighting dock connector? All those are rumored, but come Tuesday, at 10:00 a.m. PT/ 1:00 p.m. ET , we will have all the answers in our live blog.

10: 15 a.m.: Today's third and final presidential debate is the last, best opportunity for voters to see how these two men look in the role of commander-in-chief. Read ABC News' full analysis here, and watch Jake Tapper's take below: