Show Child Category In Category Menu Bar?

Hi -- I'd like to show a child category as a top-level link in the category menu bar -- is there a way?

For example, if I have as categories:

Parent One
Parent Two
-- Parent Two Child One

I want this in the menu bar:

Parent One | Child One

Excluding the category for Parent Two eliminates all categories!

Using Atahualpa 3.3.3

Thanks!