] The prescription drugs, administered by Col. Richard J.
] Tubb, the White House physician, can impair the
] President's mental faculties and decrease both his
] physical capabilities and his ability to respond to a
] crisis, administration aides admit privately.
]
] "It's a double-edged sword,"? says one aide. "We
] can't have him flying off the handle at the slightest
] provocation but we also need a President who is alert
] mentally."?

Capitol Hill Blue: Bush Using Drugs to Control Depression, Erratic Behavior