authority to use lethal force against gadhafi's troops on the ground in order to protect civilians in ben ghazi, then it clearly is within lawful authority to go after the command and control center in gadhafi's compound. now, as a matter of policy, you want to minimize civilian damage and it's worth noting, as david does on the moral calculus, about bin laden, that the president chose the more difficult option. instead of dropping a 2-ton bomb, he chose a more difficult option, in part, to avoid the loss of unnecessary life. so we've had that moral calculus. i think libya's a more complicated case. if you can go after the troops, you can go after the canommande >> if he were in a house somewhere and not in a command and control center, that would be a -- very difficult to justify. >> as a matter of policy. as long as he's the effective commander, and we have every reason to believe he was. there certainly has been no retirement party, you know, for bin laden by al qaeda. so we have every reason to believe he's still in command and control. no matter where he is, i think you can go after him. a