South Australia has never before experienced the resignation of four senior MPs in one swoop stemming from a scandal that has engulfed state Parliament for almost a month, a political expert says.
- Political expert Clem Macintyre said the resignations were not surprising
- David Ridgway, Stephan Knoll and Tim Whetstone resigned from Cabinet yesterday
- Their portfolios have been picked up by other senior Liberal MPs
Premier Steven Marshall, Attorney-G…