At 9 p.m. eastern time, the Washington Post will start live-streaming the last presidential debate online on The Grid, where you can also follow along with live-blog context and analysis on our Election 2012 blog. Click below to join!

LIVE VIDEO: Follow real-time analysis, fact checking and instant reaction from readers to candidates' remarks.

But also be sure to keep this tab open — the Fix bloggers will live-tweet the debate in the space below. The event kicks off at 9 p.m. ET at Lynn University in sunny Boca Raton, Florida.

To get you up to speed, here's a mini-recap of what the Fix has covered so far about the debate: Five ways the foreign policy face-off could be pivotal; how style (and massive amounts of prep) can trump substance; the incredible challenge of moderating the debates; and, of course, the eternal question of whether the debates matter at all. If you want to join in, use the hashtag #debates or #lynndebate.