Most of us first heard this Wall Street term with the Big Bang (1986). Banks and brokers were suddenly allowed to trade for their own profit as well as that of their clients: 'Chinese walls' prevented conflict of interest, keeping the two functions apart. The metaphor first appeared before WW1 - not some flimsy ethical construction but the Great Wall itself: dependable, strong, permanent. As Nixon famously said: 'This is a great wall.' Hard to imagine such enthusiasm for Britain's financial services industry.
There is a moral dimension to business, but you can take it too far.
In our second Changing Lanes podcast, we talk to people who have successfully pivoted their career by pursuing further study, finding a mentor or taking a sabbatical.
The law is changing so that parents who have lost a child will be entitled to take paid leave.
How a can of dog food inspired a $100m business.
Recognising there's a problem is only half the battle.
Do your research and be prepared to walk away if the deal doesn't feel right.