Here in Ireland, we're beaten over the head with "balance" when it comes to broadcasting but in the US, things are allowed to be a bit more biased depending on the broadcaster.
After Trump called for 'anti-Trump' late night hosts (i.e. all of them) to give him 'equal time' on their shows. Stephen Colbert decided to follow through with his request and called in the only person he knew could do the job of playing devil's advocate right - Mr. Jon Stewart.
What followed was five minutes of brilliance.