Oliver Peterson: Australian correspondent on Barnaby Joyce's efforts to give up alcohol - Heather du Plessis-Allan Drive

Barnaby Joyce stuck to his word after he promised he would cut back on alcohol - and lost 15kgs to show for it.

In February, a video surfaced of an intoxicated Joyce sprawled out on a Canberra sidewalk after a drunken night out.

Australian correspondent Oliver Peterson says Joyce was clearly embarrassed by the events of the video. 

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