Kwame Raoul

Rauner, Pritzker win primaries in Illinois governor's race

The race for Illinois governor will be a battle between two deep-pocketed candidates who've already sunk more than $120 million of their own money into the contest, putting it on pace to become the costliest such campaign in U.S. history.

Republican Gov. Bruce Rauner, a wealthy former private equity investor, defeated conservative state Rep. Jeanne Ives on Tuesday for the GOP nomination.

"We are in a critical time, a critical turning point in Illinois," Rauner told supporters. "I am humbled by this victory. You have given me a chance to win the battle against corruption that plagues Illinois."

He will face Democratic billionaire J.B. Pritzker,...