Aurora and Liberty play together as if they’ve done it a million times before. I love my daughter’s ability to instantly accept others into her world without any hesitation. I dread the day she learns from anyone to prejudge others.

After dinner and the quick cleanup, the adults move to the sectional and the toddlers to the living room floor. Webb occupies the corner cushions between his mother and father; he’s enthralled in his e-Reader. Although I participate in the adult ...