Need To Know Coming Up On NTK: Some RCSD Teachers Take Stand Against Common Core Testing & More WXXI News Published March 30, 2015 at 11:31 AM EDT Facebook Twitter LinkedIn Email http://youtu.be/5bNOWA1kRPwWatch Need to Know with host Hélène Biandudi Hofer Thursdays at 8pm on WXXI-TV, Channel 21.1 and Cable 11 or 1221.