Donald Trump assured the nation last night that his manhood was sufficient for the White House.

"Look at those hands -- are they small hands?" he told the audience at Fox News Channel Republican Presidential Debate. "And he referred to my hands -- if they're small, something else must be small. I guarantee there's no problem. I guarantee it."

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You know -- as awkward as that moment was for families across the fruited plain -- just be glad nobody whipped out a measuring stick.

Thursday night's debate featured uncivil behavior from the Republicans -- sophomoric and crass -- bordering on obscene.

Sen. Marco Rubio behaved like a petulant child. Donald Trump flipped and flopped so many times that he flopped back to the positions he originally flipped on.

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The only person on that stage who looked and sounded presidential and has a shot at getting elected -- was Sen. Ted Cruz.

He stayed out of the locker room name-calling and focused on the issues.

Senator Cruz understands the problems facing our great nation are no laughing matter.

But Senator Rubio and Mr. Trump seem to think it's all a great big dirty joke.

Todd Starnes is host of Fox News & Commentary, heard on hundreds of radio stations. His latest book is "God Less America: Real Stories From the Front Lines of the Attack on Traditional Values." Follow Todd on Twitter @ToddStarnes and find him on Facebook.