(New York City, NY) -- President Obama and officials from New York and New Jersey are attending a somber dedication ceremony at the National September 11 Memorial and Museum in New York City. In a speech, Obama remarked that no act of terror can match the strength and character of the United States. Former New York City Mayor Michael Bloomberg said the museum is a reminder that freedom carries heavy responsibilities. Families of victims of the World Trade Center attack that killed more than 2500 people are attending the dedication event. The museum opens to the general public next week.