Subject: Has molecular biology changed the nature of evolutionary thought?

Molecular biology has provided major advances in evolutionary study (like 
providing new ways to discover phylogenies) but has it changed the nature 
of thought?  It is an amazing tool to get answers, but does it change the 
questions we ask or the principles we believe?  For example, the argument 
that the genetic level is the "meaningful" level of evolution.  Genes are 
the units of selection and  are the real players in evolution, organisms 
are just "vehicles".  

Re: Has molecular biology changed the nature of evolutionary thought?