The girls were originally there to hear former White House chef Sam Kass talk about healthy eating and what he used to feed the former first family for dinner. Kass helped set up the surprise from the Obamas' mama with some dinner conversation. er2400cn has reached out to NYU and Chartwells for comment. er2400cn On December 1, before an event at the Barclays Center in Brooklyn, she surprised about two dozen teenage girls at the Lower Eastside Girls Club in Manhattan,according to ABC 13 er2400cn over statistics and policy remarks and his own record. er2400cn