"Some donors are concerned about primaries where many are concerned exclusively about the general election, " Collegio said.

CNN: Rove at center of GOP family feud

Clavius, a Jesuit who taught at the Collegio Romano in Rome, is often remembered as an early skeptic in the great battle over Copernicus and the heliocentric system.

FORBES: A Long Forgotten Father of the Scientific Revolution

"Our party has lost at least six Senate races in the last two election cycles not because of conservative ideas but because of undisciplined candidates and subpar campaigns, " Collegio told CNN.

CNN: Rove at center of GOP family feud