Delaney Scores Upset Victory in Maryland Primary

Potomac businessman John K. Delaney lodged a convincing victory Tuesday in Maryland’s 6th District Democratic congressional primary, beating a candidate who was backed by many of the state’s most powerful Democrats.

Mr. Delaney, who has never held public office, defeated state Senate Majority Leader Robert J. Garagiola in the race for the district’s Democratic nomination, setting up a November showdown with incumbent Republican Rep. Roscoe G. Bartlett who easily won the GOP race.

The district — which includes Western Maryland and much of Montgomery County — has long been one of the state’s few conservative strongholds but was redrawn last fall by Democrats to give them a better shot at winning its congressional seat, which Mr. Bartlett has held since 1993.

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