Need To Know Coming Up On NTK: Bob Duffy, "Rochester Live" & Artist Cordell Cordaro WXXI News Published May 14, 2015 at 2:19 PM EDT Facebook Twitter LinkedIn Email http://youtu.be/E5AMTHDpWvsWatch Need to Know with host Hélène Biandudi Hofer Thursdays at 8pm on WXXI-TV, Channel 21.1 and Cable 11 or 1221.