Reason Live Tweets the GOP Debate

The final four face off at the Fox News GOP debate in Detroit

The debate is over. Thanks for joining us. For more debate coverage, check out:

Rubio Says Trump Is 'Not Conservative' but Can't Explain Why: The billionaire developer seems to support the principles that the Florida senator mentioned, by Jacob Sullum

Donald Trump Says Military "Won't Refuse" His Orders to Commit War Crimes: At GOP debate, merely pledging boots on the ground in Libya passes for sanity, by Anthony L. Fisher

Donald Trump's Deficit Reduction Numbers Are Total Nonsense: Trump says he can get $300 billion in cuts from $78 billion in spending. Er, what?, by Peter Suderman

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The fearsome foursome of Donald Trump, Ted Cruz, Marco Rubio, and John Kasich take the stage at 9 p.m. tonight in Detroit. The debate will be moderated by Fox News' Bret Baier, Megyn Kelly, and Chris Wallace.