Jesse Sharkey on Karen Lewis, what's next for CTU

CHICAGO (WLS) -- Chicago Teachers Union President Karen Lewis is a driving force behind the city's educational and political issues. She is currently taking time off for health treatment, reportedly battling a brain tumor.

CTU Vice President and acting-president Jesse Sharkey joined ABC7 Eyewitness News to update her condition, as well as speak on what's next for the union and what issues are on the agenda.