NEW YORK (AP) -- The developer of an Islamic cultural center that opened Wednesday evening near the site of the terrorist attacks that leveled the World Trade Center says the biggest error on the project was not involving the families of 9/11 victims from the start. People crowded into the center, where a small orchestra played traditional Middle Eastern instruments and a photo exhibit of New York children of different ethnicities lined the walls. The enthusiasm at the opening belied its troubled beginnings. snip He called opposition to the center - which prompted one of the most virulent national discussions...