. >> joining us now is nina shay at the hudson institute. today they gathered on the streets of tahrir square, downtown, cairo in a show of symbolism. do you think this can be sustained in a post mubarak regime? >> i am concerned about the christians. they were there before islam. they have been there for about 2,000 years. they are very vulnerable. they do not have weapons, militias, tribal links. about 10 percent of the population. a very overwhelmingly, we don't now how much radicalized nation. >> the pictures of them demolishing the church. where was the police? the army, the authorities in protecting christians in the situations like this? >> the reports we are receiving, the police have melted away, particularly outside cairo. they have disappeared, not offering protection. the military came to that town but backed off, did not stop the violence. did not work to protect the christians. that is what is so alarming. they are vulnerable. it is a misnomer to talk ability glashs between christians and muslims or tensions. let's be clear abo