>> one final question. it's a question i asked nicholas kristof as well. would it be in the u.s. national interest to simply take out gadhafi right now, have him killed, for example? >> i think it would be in our interest. i think we've shown in the past that is a much more difficult proposition than it initially appears. i would focus my attention on trying to change the battle equation in whatever ways that i could so that the people of libya are not continuing to be massacred. i want to emphasize my opposition to u.s. ground troops in libya because it would be counter productive. >> senator mccain, thanks for joining us. >> thanks for having me on, wolf. >> let's bring in gloria borger. i know you're talking to sources at the white house and elsewhere, gloria. mccain makes the point if the u.s. were to announce the creation of a no-fly zone, lib