Following previous debate over the slot, the BBC's head of religion and ethics Aaqil Ahmed held a review but concluded in September that Today should "continue as was".
The literature review section summarizes the previous debate over the mechanisms through which the cutoff date may affect children's educational outcomes and also introduces the rules of school enrollment age specified by the Law of Compulsory Education in China.
Sanders, trailing badly in public polls of a state where he must win, was more urgent than in previous debates, attacking Clinton over trade, another of the 1990s-era policies he holds in contempt.
Despite his poor performances in the previous debates and the controversy over the existence of a racial slur on a gatepost at his family's hunting lodge, he seemed to still have an opportunity to turn things around.
Trump initially appeared more restrained than he had in the two previous debates, arguing forcefully with Clinton over abortion, gun rights and immigration, but over the course of a 90-minute debate in which Clinton repeatedly needled him he gradually returned to form.
Mr. Darman and Mr. Sununu have emphasized economic growth over environmental considerations in previous debates on such issues.
As he called on voters to donate to his campaign so he can make it to the first Democratic debate stage, he also mentioned the dearth of discussion over climate change in previous debates.
In previous debates, Trump took the bait.
"Go back to those previous debates.
