Leadership is an active role 'lead' is a verb. But the leader who tries to do it all is headed for burnout and in a powerful hurry.
Driving with one foot on the accelerator and the other on the brake is likely to get you nowhere but certainly will burn out vital parts of your car. Similarly cutting taxes on the middle class but increasing them on the 'rich' is likely to result in an economic burnout.
The ever quickening advances of science made possible by the success of the Human Genome Project will also soon let us see the essences of mental disease. Only after we understand them at the genetic level can we rationally seek out appropriate therapies for such illnesses as schizophrenia and bipolar disease.