guiding us through tonight's' conversation is cheryl watson harris, senior executive director for the new york public schools. she will be speaking with tonight's author. please join me and giving these two women a warm welcome. tonight's conversation would not be complete without hearing some of the voices from the research. to bring us these resources is colby christina from restoration youth arts academy. here is push out, the criminalization of black girls in schools. [applause] this was the cry of 14-year-old who in the summer of 2015 was thrown to the ground as well as physically and verbally assaulted after she refused to leave her friends at the mercy of this law enforcement officer in mckinney, texas. a video that later went viral showed him pushing her face in the ground as she, a slight frame barefoot bikini-clad teenager who presented no physical threat or danger screamed for someone to call her mother for help. the video showed him grinding her knee into her bearskin and restraining her by placing the full weight of his body onto hers. the incident was violent and reeked