Those also-rans — South Carolina Sen. Lindsey Graham, Louisiana Gov. Bobby Jindal, former New York Gov. George Pataki and former Pennsylvania Sen. Rick Santorum — covered much the same ground as the prime-time debaters, parsing their differences over such issues as taxes, immigration and the Syrian refugee crisis. They also trained their fire on Trump, under Tapper's leading questions.
Source : http://www.latimes.com/nation/politics/la-na-gop-debate-20150917-story.html