Thirty-six family members of people who died in the Sept. 11 terror attacks, the 2013 Yarnell Hill wildfire in Arizona and the 2013 Boston Marathon bombing shared stories of heartache and hope with passengers aboard a European river cruise. “This is a group no one wants to belong to,” said Maureen Santora, whose son, Christopher Santora, was the youngest New York City firefighter killed on 9/11.
