MAIG & Moms Demand Attention to merge?

From TTAG, a rumor that MAIG and MDA will merge. I await confirming sources of information.

http://www.usatoday.com/story/news/nation/2013/12/18/nra-bloomberg-mayors-against-illegal-guns-sandy-hook/4115843/

With confirmation, I will simply point out:

Sock Puppet + Sock Puppet = Sock Puppet.

Re MDA? Astroturf isn't grass roots.