Original sentence: Emanuel had been leading in the polls prior to his decision to withdraw.In February 2016, Chicago Tribune polls reported that Emanuel approval ratings had dropped to 27%, for his role as the Mayor of Chicago.The Chicago Tribune explained that this all-time low job approval record occurred after the public largely had disapproved of Emanuel's handling of the Laquan McDonald police shooting video, and the majority of the polled Chicagoans had felt that he was not justified in withholding the video from the public
Edited sentence: According to a poll commissioned by one of Emanuel's top campaign backers, Emanuel had been leading in the polls prior to his decision to withdraw.However data from Public Policy Polling, indicated that even though Rahm Emanuel had a lead over most of his potential challengers, it was not enough to win the contest outright and that in a head-to-head matchup with Paul Vallas, Vallas actually had a polling lead over Emanuel with 39 percent to 33.In February 2016, Chicago Tribune polls reported that Emanuel's job approval ratings as a Major of Chicago, had dropped well below the "Bilandic Line" to 27%, making him attain the lowest record ratings in the history of the polls, and six points below the previous worst by Michael Bilandic.The Chicago Tribune explained that this all-time low job approval record occurred after the public largely had disapproved of Emanuel's handling of the Laquan McDonald police shooting video, and according to Chicago Tribunal polls, 83 percent of Chicagoans didn't believe their mayor was being honest about what he knew and 68 percent said Emanuel was not justified in withholding the video from the public