Goldman Sachs
It's murky and involves relatives, money and politicians.
Richard Sharp was involved in arranging a guarantor on a loan of up to £800,000 for Boris Johnson, according to reports.
Goldman Sachs says it will no longer fund Arctic oil drilling, despite the president’s ambitions. But is it doing enough on climate change?
And how a fearless British reporter helped uncover it.
There are fears the banking giant could pull staff out of London.
He's been singing the praises of Germany's banking centre.