A downstate judge on Friday struck down the ban on high-power firearms and high-capacity ammunition magazines that Gov. J.B. Pritzker signed into law earlier this year, a ruling the Illinois attorney general’s office immediately appealed to the state Supreme Court. The scope of the ruling was a subject of dispute, with the attorney for the state lawmaker who was the lead plaintiff in the lawsuit arguing that it applies statewide and Pritzker’s office contending it does not. “We expected political grandstanding from those more beholden to the gun lobby than to the safety of their constituents and today’s ruling comes...