"It's very hard to measure," said Merle Black, professor of political science at Emory University and a consultant to the Atlanta newspaper poll.

"The Republicans should be considered the favorite here," said Merle Black, a political scientist at Emory University in Atlanta.

"It's a no-win issue for the Democrats," said Merle Black, a professor of politics and government at Emory University.

There are great risks on each side, said Merle Black, a political scientist at Emory University.

"His first challenge will be to look like he is a potential president," said Merle Black, a political science professor at Emory University in Atlanta.

Earl Black and Merle Black, noted political scientists.

Merle Black, an expert on Southern politics at Emory University, said, "There's a lot of unknowns here."

"Southern turnout peaked in 1968, and it's been down ever since," said Merle Black, a professor of politics and government at Emory University.

"It throws all the major offices up for grabs," said Merle Black, a political science professor at Emory University in Atlanta.

"This is the ultimate," said Merle Black, a professor of politics and government at Emory University.