Robert Evans, a nationally known consultant on school leadership, presents his seven keys for savvy leaders:   1. When You Go to See the Wizard, Take Toto         2. Theyll Never Understand  3. Change Is What It Means   4. Bite off What You Can Chew        5. Be Your Best, Bold Self     6. Nourish to Flourish 7. From Savvy to Wise: Look Out for Number One