PORTLAND, Oregon—Two people died and multiple people were injured, some critically, in four different early morning shootings Saturday in Portland, Oregon, a city that has seen gun violence and associated homicide rates soar in the past six months. Mayor Ted Wheeler called the rash of shootings a “pandemic” and said he would push hard for more officers and resources for the Portland Police Bureau, which has lost 125 sworn officers in the past year and faces news rounds of retiring officers in coming months and mass resignations last month. The city was roiled by protests against police brutality and racial injustice for months following the murder of George Floyd in Minneapolis who died in police custody. In the wake of sustained protests and calls to defund the police last summer, Portland’s City Commission cut some funding and disbanded the gun violence reduction unit. Since then, Chief Chuck Lovell has assembled new …