Here is an early response by Richardson:
http://archives.joelstrumpet.com/?p=1690
A Response to Dr. David Reagan By Joel Richardson
January 11, 2009 in Updates
Yes, thanks. As you know, that was written almost 2 years before Dr. Reagan presented his paper in December 2010 at the Pre-Trib Research Center Conference -
http://www.pre-trib.org/data/pdf/Reagan-AnEvaluationoftheMus.pdf - So I’m assuming that Reagan’s paper takes into account Richardson’s Jan. 2009 comments.