Kansas City, Missouri, would issue $600 million in bonds for a new stadium for Major League Baseball’s Royals under a proposal officials there are pursuing. Mayor Quinton Lucas and nine of 12 City Council members introduced a proposed ordinance Thursday that would allow the city manager to negotiate with the Royals over a new stadium near the city’s historic Union Station. The plan comes only months after Kansas lured professional football’s Chiefs over the state line with a massive stadium subsidy. The City Council could vote on the ordinance next week. The two teams have used side-by-side stadiums at the Truman Sports Complex since 1973.