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Republican presidential candidate Donald Trump waits to be introduced during a campaign event at the University of Iowa on January 26, 2016 in Iowa City, Iowa. - 

A quick follow up to yesterday's story about ad rates and tonight's Trump-less primary debate. Mr. Trump has been tweeting all day about how the rates Fox is getting for tonight's event are "dropping like a rock:"

Turns out that's not true. Lie would be another word.

The Wall Street Journal and CNN are both reporting Fox's rates are staying steady at about $200,000 for 30 seconds.

Follow Kai Ryssdal at @kairyssdal