A Republican state delegate is working toward a bid for Maryland’s open U.S. Senate seat, the first candidate with establishment support. Del. Kathy Szeliga, who represents Baltimore County and serves as minority whip in the House of Delegates, is taking steps toward a campaign. “I’m seriously looking at getting into this race and gauging support, and it’s really been actually overwhelming,” Szeliga said. She said that among those Republicans reaching out to encourage her effort, first reported Sunday by the Baltimore Sun, are Rep. Andy Harris, former governor Robert L. Ehrlich Jr. and his wife, Kendel; former lieutenant governor Michael...