the city, it s being under shelling, bombing, and everything. there s nothing to do. the embattled syrian regime is stepping up its brutal attacks. activists who want democracy and want president bashar al-assad to fall, they re telling us more people are being killed. we re seeing the neighborhoods right here reduced to rubble. in homs, syria s third largest city, more than 90 people are reported killed so far today. because foreign reporters are mostly ban from the country, we continue to rely on home videos posted online. that was another rocket over there. this is happening every day. and while this is happening every day the united nations is considering a joint monitoring mission with the arab league. our senior international correspondent nic robertson was on the last monitoring mission in syria. you ve been on a number of these, right? yes. give us a sense of how effective this can be and how this works. if anyone thinks that arab league monitors is backed