Corporate travel is geared heavily towards cost saving. Pamela Whitby wonders if this is the right approach

If you’ve ever been stuck on London’s sweltering, airless underground in a heat wave, you will understand the pain experienced by the capital’s commuters last week.

Here in the UK, temperatures hit-celsius but that wasn’t the worst of it. Elsewhere in Europe, thermometers climbed to 40 degrees. And while this...