Ross Douthat: This is how Trump survives

Here is a provocation that might just be true: The most important moment in the impeachment battle thus far did not take place in the halls of the Capitol or even in the bars and cafes of the republic of Ukraine, but in Ankara on Oct. 17, when President Recep Tayyip Erdogan of Turkey met with Mike Pence and agreed to a cease-fire in northern Syria, thus limiting the scope of the moral and strategic debacle created by Donald Trump’s betrayal of the Kurds.I’m not suggesting that the Am