The meaning of the text has been the subject of considerable/intense/lively 'debate' among scholars for many years.
She was on the 'debating team' [=a group that competes against other teams in formal debates] at school.
Whether or not the tax cuts benefit the lower classes is still hotly 'debated' among economists.
(..) and Warren Commission... failed to pursue possible conspiracies... and made their conclusions too definite. There seems to be no debate that the CIA and Secret Service... were involved in the assassination. As you can clearly see, secret service agents being taken away from their positions... (..)2009 Loose Change 9/11: An American Coup