Graves is an evolutionary biologist at North Carolina Agricultural and Technical State University and UNC Greensboro.
North Carolina and Florida, for example, are obviously big hurdles for Obama.
To wit, earlier this fall, he endorsed Greg Brannon, a Republican primary candidate for Senate in North Carolina.
State in the southeastern United States bordered by Virginia to the north, the Atlantic Ocean to the east, South Carolina and Georgia to the south, and Tennessee to the west. Its capital is Raleigh, and its largest city is Charlotte.
Note: One of the thirteen colonies.
Note: One of the Confederate states during the Civil War.