Recapturing Key News Today

>> thanks. well hear much more about the presidents libyan policy tonight. he sits down for a one-on-one interview with our own diane sawyer. youll see that tonight on abcs "world news." in libya rebels have successfully pushed the front to gadhafis hometown of sirte where they acknowledge they could not have held their ground without international air and cruise missile strikes. alex marquardt reports from the eastern city of benghazi. >> reporter: rebels are on the march with gadhafis strong...