Obama warns Erdogan's Turkey headed down troubling path US President Barack Obama admits he is "troubled" by the path President Recep Tayyip Erdogan is taking Turkey down, amid rows over press freedom and the war in Syria, at the end of a summit on nuclear security in Washington. Presidential hopeful Donald Trump also came under fire by Obama who dismissed Trump's foreign policy proposals and warned that the world was watching the upcoming US election. IMAGES AND SOUNDBITES