Washington — Nearly twenty years have passed since the expiration of the federal assault weapons ban, and Wednesday's mass shooting near the Kansas City Chiefs Super Bowl parade — which killed one person and injured nearly two dozen others — has again brought the debate around U.S. gun laws front and center. Some survivors of recent mass shootings are throwing their support behind the Go Safe Act, legislation sponsored by Democratic Sen. Martin Heinrich of New Mexico that would effectively ban gas powered semi-automatic firearms and large-capacity magazines capable of holding more than 10-rounds. Michael Anderson was pouring a drink...