A nd then there were none. The abrupt departure of Standard Life Aberdeen (SLA) chief executive Keith Skeoch reads a bit like an Agatha Christie novel, except we all know whodunnit. Step forward "Staberdeen" chairman Sir Douglas Flint. When Flint took the helm in November 2018, it looked like the union forged on the banks of the Tweed and the Tay a year earlier was going to get an overhaul. So it has proved.