He has addressed many of the strawman arguments that Coulter raises in other articles. Check here
Others have also addressed her pseudo-arguments. here here and here.
You will note that it takes much more work to debunk Coulter's strawman arguments than it takes Coulter to make them. She's banking on this to keep many readers from actually investigating her claims.
That's true for every science-denier. It takes no time -- and no brains -- to say that "The moon landing was fake!" But to present sufficient evidence to persuade an audience that doesn't know one way or the other ... that requires lots of work. So the snappy debate forum with a layman audience is always preferred by charlatans.