Donald Trump and rivals Jeb Bush and Scott Walker will face off in a televised debate tonight, taking the stage in Cleveland along with seven other Republican hopefuls who were selected by debate organizer Fox News.

The main debate will air at 9 p.m. ET on Fox News; seven other Republican candidates, including Lindsey Graham and Bobby Jindal, will take part in a prelude event at 5 p.m. ET. You can follow events at NPR's It's All Politics blog, which will be hosting a live chat.

Fox News is co-sponsoring tonight's debate with Facebook. The tech company helped determine the issues that are driving conversations in social media — and it offered a way for people to submit their own questions to the candidates.

As It's All Politics' Amita Kelly notes, "The candidates themselves also took a stab at writing some questions for the debate."

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