from the bronx zoo remains on loose this morning creating a media frenzy and inspiring a legion of twitter followers early this tuesday morning, march 29th, 2011. captioning funded by cbs good tuesday morning. i m erica hill. i m chris wragge. welcome back to the country. the time zone, the program. nice to be back sitting next to you, chris. things were busy while i was away. more on the president speech s last night and that ongoing battle for libya. this morning, rebel forces are macing more resistance from gadhafi militias. a state department diplomat is going to benghazi and meet with rebel leaders for the first time. in the meantime, secretary of state hillary clinton meets with diplomats in london to discuss the next steps in libya, including possible exile for gadhafi and follow president obama s speech for his reasons for taking out the gadhafi regime. senior white house correspondents bill plante joins us with more. reporter: the president defended his