The last two years of "lame duck" actually present an opportunity for executive leadership to truly drive policy change without fear of re-election politics. If caveats are included, here is where Obama may truly leverage his power as someone who has freedom to really pursue an agenda without worrying about spending political capital
"The first thing we need to do is find a way in which we can 'freeze' the situation in Aleppo. These people have been under siege for two years. The city is very close to collapsing. If we do not do anything and the city collapses, it could fall into the hands of ISIS, which is only 20 kilometers away, and that would be an even bigger tragedy."