2. "Living Room" selected in the global navigation. Local navigation appears in the left sidebar.
3. Selecting a local nav link in the left sidebar expand that branch of the local tree.
4. Selected links in the tree are highlighted.
5. The "All Departments" link in the global navigation displays the expanded top level of the tree.
6. Selecting a branch in "All Departments" doesn't display a selected link in the global nav.