A man hires a young assistant who has a habit of dressing in a provocative way. The man is married; he feels drawn to the assistant. On a rainy night, he drives the assistant home, walks her to her door, and offers a consoling hug. The assistant goes for a kiss. The man pulls away; he is fully innocent, right? Or maybe not? A child with Asperger's wants to sit with his cousin. The two get along; the seating arrangement really works for both kids. Except that the rigidity of the arrangement becomes problematic. How do you explain to the child with Asperger's that his friend has a lower "rigidity-tolerance"? Do you use the word "Asperger's"? What should a child know--and not know--about himself? "Parenthood" has reasonably low stakes, by TV standards. No one is going to blow up the White House. No one is a spy; no one is mole. And yet the situations are compelling. You almost feel that you're watching a thriller. This is because the sce...