SPRINGFIELD — In the wake of the July 4 mass shooting in Highland Park that left seven people dead and dozens more injured, Gov. J.B. Pritzker is calling for a ban at both the state and national levels on military-style assault rifles and high-capacity magazines.The governor made those calls on national cable television and at the White House in recent days.“While I support an assault weapon and high-capacity magazine ban at the state level, we urgently need federal regulation on the weapons of war and high …