Where portions of an affidavit in opposition to summary judgment are based on personal knowledge of the affiant and portions are speculative, the trial court should grant a motion to strike only the tainted portions of the affidavit and allow any portions which satisfy Supreme Court Rule 191(a) to remain.The 1st District Appellate Court reversed and remanded a decision from Cook County Circuit Judge Kathy M. Flanagan.Cynthia …