Paging Rick Perry: How a Southerner Could Sweep to the G.O.P. Nomination

Being a Southerner conveys certain advantages upon a Republican presidential candidate.

Since 1980, a Southerner has finished first or second in every Iowa Republican presidential caucus.

More than 40 percent of John McCain’s voters in 2008 were from the South. Thirty-six percent of Republican National Convention delegates will come from the region.