![Shadow attorney-general Mark Dreyfus has called on Mr Brandis to resign.](/web/20161123093708im_/http://www.smh.com.au/content/dam/images/g/r/9/p/v/s/image.related.wideLandscape.460x259.gsw3ss.png/1479890466808.jpg)
Dreyfus threatened Shorten with resignation over Kitching Senate post
Labor legal affairs spokesman Mark Dreyfus threatened to resign from the front bench if Bill Shorten backed the appointment of a key ally, Kimberley Kitching, to casual senate vacancy.