Over the past few years, Grove has applied his characteristic intensity and razor-sharp intellect to exploring why progress in finding treatments for neurological diseases, such as Parkinson's, has been agonizingly slow.
But Rumsfeld quickly moved to give the job to Air Force Secretary Jim Roche, a trusted friend who shares Rumsfeld's vision for the military and is known for a sharpintellect and a penchant for "shaking things up, " in the words of one official.