The Dutch journalist Ebru Umar on Sunday in Kusadasi, Turkey, after the Turkish police detained her for criticizing President Recep Tayyip Erdogan.Credit...Ihlas News Agency/Agence France-Presse — Getty Images ISTANBUL — Ebru Umar, a Dutch journalist, wrote a column last week critical of Turkey’s president, Recep Tayyip Erdogan, and his government’s growing crackdown on freedom of expression. She