Turkey's President Recep Tayyip Erdogan has succeeded in taking his country a long way down the road to autocracy.

What Trump, Erdogan have in common

The good news is that while the US President might have autocratic instincts, America's system of checks-and-balances and entrenched democratic traditions will stop him indulging his worst tendencies.

Introducing GST in India has been a decade-long endeavour and is a huge logistical challenge.

India's big challenge: GST

The tax will replace at least 17 state and federal levies on everything from electricity to Gucci handbags to border crossings.