Cook County Board President Toni Preckwinkle is pushing for a 1 percent sales tax increase, but she’ll need at least nine Cook County Board members support to get it. Preckwinkle introduced the proposed sales tax during a Wednesday meeting. The Cook County Board will soon vote on whether or not to increase the sales tax.We talk with Cook County Commissioner Bridget Gainerand Cook County CFO Ivan Samsteinabout their thoughts on the proposed tax hike.Preckwinkle was on Chicago Tonight on Wednesday to campaign for her proposed sales tax increase. Watch the segment.