When Sunni rebels rose up against Syria's Bashar al-Assad in 2011, Turkey reclassified its protégé as a pariah, expecting him to lose power within months and join the autocrats of Egypt, Libya, Tunisia and Yemen on the scrap heap of the "Arab Spring".
British troops ended their combat operations in Afghanistan on Sunday as they and U.S. Marines handed over two huge adjacent bases to the Afghan military, 13 years after a U.S.-led invasion launched the long and costly war against the Taliban.
The U.S. decision to air-drop weapons to Kurdish forces in Syria on the same day Turkish President Tayyip Erdogan dismissed them as terrorists is the latest false note in the increasingly discordant mood music coming out of Washington and Ankara.