When a presidential candidate dies unexpectedly in the middle of the campaign, Washington, D.C. alderman Mays Gilliam is unexpectedly picked as his replacement.When a presidential candidate dies unexpectedly in the middle of the campaign, Washington, D.C. alderman Mays Gilliam is unexpectedly picked as his replacement.When a presidential candidate dies unexpectedly in the middle of the campaign, Washington, D.C. alderman Mays Gilliam is unexpectedly picked as his replacement.