There is an awesome summary by Emili Lakdawala at the Planetary Society (as is often the case with such news). http://www.planetary.org/blogs/emily-lakdawalla/

There is an awesome summary by Emili Lakdawala at the Planetary Society (as is often the case with such news). http://www.planetary.org/blogs/emily-lakdawalla/2016/01200955-theoretical-evidence-for-planet-9.html http://www.planetary.org/blogs/emily-lakdawalla/2016/0120095...