Mitt Romney claimed a decisive victory over Rick Santorum in the Illinois presidential primary, a race that amounted to the first big-state head-to-head contest among the front-runners for the GOP nomination.
- Romney Beats Santorum In Illinois Primary [CBS Chicago]
- Romney: Illinois win an 'extraordinary victory' [ABC-7]
- Romney takes Illinois, beating Santorum [WBEZ]
- Suburbs, moderates drove Romney victory [Sun-Times]
- Map: Illinois GOP presidential primary election results [WBEZ]