In conducting their Asian pivot, the US left a large vacuum in Europe nd North Africa that, predictably, Russia stepped in to fill. Worse still, despite their pivot to Asia, China went ahead and conducted themselves as though the US wasn't there at all. US foreign policy has been a joke under Obama, handing back power and influence to Russia, being humiliated in the Pacific and shaking the confidence if not outright destroying relationships with long standing allies in that region.