== A Second New Horizons Mission? == 

 About a year ago, there was talk of launching a second New Horizons spacecraft to Uranus and some other binary KBO.  This was before 2003 UB313 was discovered.  It so happens to be that a second New Horizons spacecraft could be launched on a Uranus-2003 UB313 mission if launched between 2007-2009.  I wonder if mission planners have yet pondered this idea....