WASHINGTON (AP) — Tonight, 10 of the 17 Republican presidential candidates will gather in Cleveland for their first debate of the 2016 campaign.

At stake for the GOP: not only picking the candidate to represent them in the general election, but also selecting the direction the party will take as it tries to regain the White House.

Only the most popular candidates, based on recent national polls, are invited to tonight's gathering, including Donald Trump, former Florida Gov. Jeb Bush and Wisconsin Gov. Scott Walker.

The seven other candidates are taking part in a pre-debate forum.

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