a question rita braver is putting to the leading children's publisher now marking its 100th anniversaryk still sinking in, there is an important question: how to explain it to america's children? >> kids want to understand it. the capitol is a symbol that is very important to them. >> reporter: and so dick robinson, president and c.e.o. of scholastic, says his editors immediately started posting stories for students on the websites of scholastic magazines. >> in fourth grade, they will explain it one way. eighth grade will explain it another way. >> reporter: in fact, scholastic, the largest publisher of children's magazines and books in the world, is just marking its 100th anniversary of helping children make sense of things. >> our real personality is being in the lives of kids in school, helping them learn millions and millions of things. >> reporter: he is only, incredibly, the second person to lead the country in its 100-year history. the first was his dad, robbie robinson, you started publishing a current events magazine for students near his home just outside pittsburgh. >> magaz