Were I to get my act together and send out a Christmas card, this would be it.  What We’ve Learned: Supergirl: How to independently (ish) use a pacifier Flash: How to use the potty [Sort of]  Wonder Woman: Activating switches with the turn of a head is far easier, and therefore more enjoyable than using hands/arms. Batman: Sounding out words is hard, but reading can be fun.   Superman: Multiplication tables 1 through 8 Mom: Parenting odd numbers of children is harder than even numbers Dad: We have an odd number of children?  What We’ve Loved: Supergirl: Being constantly entertained by every member of the family.  Flash: Everything. Life is…