Chicago Teachers Union teachers and supporters gathered in Union Park for a strike rally on Saturday, Sept. 15. MASH PHOTO/MATT CULLEN

Mash reporter Matt Cullen from Walter Payton headed out to Union Park on Saturday, Sept. 15, to cover the Chicago Teachers Union rally.

While at the rally, Matt interviewed former CPS teacher Ann Cata talks about her experience with the Chicago Public School system. Watch the video to see what she had to say.

>> For more Chicago Teachers Union strike coverage from The Mash, check our archives.