Is the Higgs boson really the Last Great Discovery?

After the news of the discovery of the Higgs Boson on July 4, 2012, followed by the confirmation of repeated results on March 14, 2013 (phys.org/news/2013-03-confident-cern-physicists-higgs-boson.html), it is being reported that it is the last great discovery (guardian.co.uk/commentisfree/2012/jul/08/robin-mckie-higgs-boson-discovery-where-next).  It is being heralded as the final piece of the puzzle of the Standard Model of physics.  …