(CNN) – It's the trifecta of GOP presidential candidate interviews: the three leading presidential candidates are to appear on CNN's "The Situation Room" on Monday.
With the delegate count in Romney's favor, the federal health care law being argued before the Supreme Court, and the next four electoral contests just over a week away, Mitt Romney, Rick Santorum, and Newt Gingrich, take questions from CNN's Wolf Blitzer. "The Situation Room" airs on CNN from 4-6 p.m. ET.
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In his interview, Santorum criticized Romney and President Barack Obama for being absent from the Supreme Court hearings on the law he called "Obamacare."
"Here we're having the whole world watching what's going on here in Washington in these Supreme Court arguments. Mitt Romney is 3,000 miles away. He should be here," Santorum said. Obama is attending a summit of world leaders in Korea on nuclear weapons.
Ron Paul, who lags behind in the GOP delegate count, will appear Monday on CNN's "Piers Morgan Tonight" at 9 p.m. ET.
Watch The Situation Room with Wolf Blitzer weekdays at 4pm to 6pm ET and Saturdays at 6pm ET. For the latest from The Situation Room click here.