Spurred on by demographic shifts, Brexit and the success of the Sinn Fein party in this month’s election, the once-unthinkable idea of Irish reunification is gaining ground. The IMF is in Lebanon to discuss restructuring the country’s crippling debts; we examine the roots of the economic crisis. And visiting a frigid festival where even the instruments are made from ice.

For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/radiooffer