As the nation marks the 20th anniversary of the Sept. 11 terror attacks, a daughter remembers her mother, a flight attendant from Massachusetts, for her bravery and kindness. Subscribe to WCVB on YouTube now for more: http://bit.ly/1e8lAMZ Get more Boston news: http://www.wcvb.com Like us: / wcvb5 Follow us: / wcvb Instagram: / wcvb5