According to this article on Vox, Susan Rice believes that the world has never been better. This is indicative of the long view that the Obama foreign policy team takes and which it struggles to communicate to the general public. This paragraph is a good summary of the article:
The result is a sharp tension at the heart of the Obama administration’s foreign policy. Team Obama tries to take the long view, and occasionally succeeds — see the Paris climate change agreement or the Iran nuclear deal. But the issues that command attention from both the American public and American allies often are more immediate, and require the Obama administration to divert resources toward daily crises that they would prefer to mostly ignore. These issues, like Syria, have come to define Team Obama’s time in office in the public eye.