let's get right to joe waldman. he is live on the ground. joe, what is happening right now?e're outside of baltimore city hall right now. and i have to say, in this section of baltimore, it's actual relative quiet. you wouldn't even know anything was going on in the city if it were not for the fact that just behind our camera position here is a baltimore main police department. and there, you can't really pivot the camera right now, but over there, you can see police officers gearing up here. there are barricades in front of the police department and occasionally you will see police vehicles streaming by. something you don't see every day is a armorized mechanized army looking vehicle. and that of course are the national guardsmen who arrived here in baltimore this morning. they're expected to be about 1500 strong. the maryland state police have said that that's about what they will need in order to get this situation under control. but the national guard has said they are willing to bring about 5,000 troops to baltimore if necessary. meanwhile, obviously, a state of emergen