world. i think that's going to be a very, very difficult point for the coalition to take. >> gordon chang, thank you. president obama will address the nation about libya, as we said, monday night. we'll bring it to you live. live coverage starting 7:00 p.m. eastern right here on cnn. strange question, but what does charlie sheen have to do with the war in libya? that conversation is next. compromise what i like to do. i take care with vesicare, because i have better places to visit than just the bathroom. ( announcer ) once-daily vesicare can help control your bladder muscle, and is proven to treat overactive bladder with symptoms of frequent urges and leaks, day and night. if you have certain stomach or glaucoma problems, or trouble emptying your bladder, do not take vesicare. vesicare may cause allergic reactions that may be serious. if you experience swelling of the face, lips, throat or tongue, stop taking vesicare and get emergency help. tell your doctor right away if you have severe abdominal pain or become constipated for three or more days.