Entirely selfishly, I'm also pleased by echoes of work I've done: "Convergence in the formation of IE subgroups: Phylogeny and chronology" (2006); "Descent and diffusion in language diversification: A study of Western Numic dialectology" (with Babel, Houser & Toosarvandani, 2013).

Sing ~ Siew ? Song ~ saw? Sung ~ sow.

Here we are, please add us when you have a chance!