![Former Greens senator Scott Ludlam has resigned after discovering he held dual citizenship.](http://web.archive.org./web/20170719040256im_/https://www.fairfaxstatic.com.au/content/dam/images/g/w/6/n/3/r/image.related.wideLandscape.460x259.gxdaz6.png/1500391111942.jpg)
A risk for all sides from Greens chaos
Scott Ludlam has made an honest, though extremely careless and costly mistake.When governments rely on the narrowest of margins to get their legislation passed, we can expect the validity of every vote to be scrutinised.