The FT meets Fethullah Gülen

The FT's James Fontanella-Khan travels to Saylorsburg, Pennsylvania, for a rare interview with the man Turkish President Recap Tayyip Erdogan accuses of masterminding the failed coup that rocked Turkey. Erdogan's clash with a 75-year-old living in remote Pennsylvania has put in jeopardy America’s ties with a key ally in its fight against Isis.