welcome back, everybody, to our continuing coverage that s taking place in cairo, egypt, at this hour. these are live images that are coming in to us from the streets there, where we ve been watching protesters all day, enraged, slashing back at the government, trying to see what hosni mubarak will come and say. he s saying that his speech to the country will be imminent. however, we have not heard from him. again, a curfew was imposed there at 6:00 p.m. cairo time. that was 11:00 a.m. eastern time. so almost two hours ago. our richard engel who s on the scene there in cairo said it really had literally no effect on the protesters, the demonstrators who were on the streets there. we had images earlier of demonstrators who were cornering a police carrier, throwing rocks at it. then they were actually able to throw a molotov cocktail in one of the windows on the roof of