In the Prince George's case, the Democratic central committee had nominated a candidate, Gregory Hall, to fill a vacancy created when an incumbent delegate was forced from office because of a criminal conviction. After the committee forwarded his name to Gov. Martin O'Malley, those involved learned that Mr. Hall had years earlier been convicted on a misdemeanor gun charge. Mr. O'Malley (again, quite rightly), requested that the committee rescind Mr. Hall's name and submit a new one. Mr. Hall sued, contending that under the state constitution, once a central committee submits a name to the governor, he has no choice but to make the appointment.