sunday morning talk shows to explain the administration's position including why we engaged the military when we did. here is secretary clinton. >> in libya, when a leader says, fear nothing, show no mercy and call the air force attacks on its own people. that crosses the line that people in the world have decided they could not tolera tolerate. >> caroline shively is live in washington this evening and what does n.a.t.o. taking control of the aerial operations mean for the united states? >> it's important, harris, because taking control of the ground attacks was the last important piece for n.a.t.o. to command. they had already agreed to run the no-fly zone and enforce the arms embargo and u.s. officials have been itching to hand over control, but it could take another three days for n.a.t.o. to take full control and secretary gates says operations can still be running the end of the year, but xkt the u.s. drawdown of resources to begin in the is