9/11 attacks among 'most important historic events' in US adults' lifetimes: Poll

Nearly half of American adults consider the Sept. 11, 2001, attacks among the “most important historic events” in their lifetimes, a new poll found. In an Ipsos survey published Tuesday, 47 percent of respondents listed 9/11 when asked to identify up to five of the most significant historic events they had lived through. Other top...