The US has a partner in eastern Syria — provided it has the will
The Trump administration inherited a number of complex problems in the Syrian file from its predecessors in the White House. In dealing with the Syrian crisis, the Obama administration had three main priorities: not disturbing Iran in Syria during the process of nuclear negotiations, working with Russia toward a ceasefire in various parts of Syria (without trusting that Russia could deliver or should have the upper hand), and, most importantly, carrying out a limited military intervention in the northeast to defeat ISIS — an issue it considered separately from the Syrian crisis.