JOHN EIDAM and I share a bond: We are adults who play with Legos.Eidam, an elementary science teacher, justifies his Legomania by using the click-together bricks to teach his kids. I justify my habit by … um … knowing kids.

“IT'S A FINE thing about men, you know,” Jimmy Stewart says during hisfilibuster scene in “Mr. Smith Goes to Washington.” “They all start life being boys.”