Cute video alert: what exactly would a 4-year-old want to ask the GOP presidential contenders taking part in the upcoming GOP presidential debate? Bret Baier enlists insight from his son, Paul, who says ... well ... we're not really sure what he said. But it had something to do with soldiers, robot arms and robot legs.

Click here for more behind-the-scenes photos and videos on Bret's blog, and be sure to tune in to Fox News Channel, Thursday at 9p ET when Bret Baier moderates the all-important debate LIVE from Ames, Iowa.