Director of Harvard humanitarian center apologizes after being filmed confronting mother whose daughter was playing outside her home and 'preventing her children from sleeping' Alyson Laliberte filmed some of her encounter with Theresa Lund on Saturday She posted the clip on her Facebook, where it has attracted 700,000 views In the clip, Lund repeatedly asks Laliberte if she lives in an 'affordable unit' Lund is the executive director of the Harvard Humanitarian Initiative at Harvard University The director of a Harvard research center has apologized after she was filmed confronting a neighbor whose daughter was playing outside her home and...