Has the World Actually Changed Since 11 September 2001? Tue, 11th September 2007, 6:00 pm DAI - Bibliothek Dr. Steven Bloom Social Activity Every Tuesday at 6:00 p.m. the general public is invited to participate in the English-language discussion group. Meetings take place in the dai library and are free of charge. However, those wishing to assure that this service continues should become members of the dai’s Circle of Friends. Discussions are led by Dr. Steven Bloom and are well-known to be both informative and entertaining.