state flag. which you can t see in this photo. it s up there at the top. and one is available for community groups to use to fly various flags to commemorate city events. and the city has largely allowed all comers except for a group called camp constitution which wanted to fly what it called the christian flag, which was a red latin cross on a blue background, against a white field, and the city said no, we can t do that, because that would be a violation of the establishment clause. that would be a government endorsement of religion, so we can t let it fly. and today, the supreme court said that argument doesn t fly. the court s ruling was 9-0. it unanimously said this was a public forum. boston created a public forum, open to all comers, and when it did that, it couldn t discriminate on the basis of viewpoint, and that s what it did when it said no to a christian group. so it s another ruling, this is