10:42 p.m. Another commercial break.

10:40 p.m. "He put so much debt on Florida, and he increased so much spending, that as soon as he left office, Florida crashed," Trump says of Bush. "He was not a good governor."

10:39 p.m. "I think the dysfunction in Washington is really dangerous," Bush said. "We need someone with a proven record in order to force consensus."

10:38 p.m. "On occasion, in order to highlight something, I use profanity," Trump said. Then he claims he was bleeped out for something that wasn't profanity.

10:36 p.m. "My wife tells me I'm wrong all the time, and I listen," Trump said. "I do listen to people. I hire top-level experts, and I listen to them. Sometimes, they're wrong."

10:31 p.m. "I think Nikki Haley will do a better job of curing poverty than Barack Obama," Rubio said.

10:29 p.m. "(Reagan) didn't tear down people like Donald Trump does. He tore down the Berlin Wall," Bush said.

10:26 p.m. Cruz said he likes Trump, but doesn't buy his idealistic flip-flops. "Flexibility is a good thing, but you shouldn't be flexible on core principles."

"You are probably worse than Jeb Bush," Trump responds. "This guy will say anything. He's a nasty guy. I now know why he doesn't have any endorsements from his colleagues."

With regard to appointing justices, Cruz says Trump will appoint liberals if he's president.

10:23 p.m. Trump's asked why it's OK for him to change position but not for others. "In life, you have flexibility. You have to have flexibility."

10:18 p.m. Another commercial break.

10:15 p.m. Cruz says he would be a warrior for the poor. "We need to lift the burdens on small businesses."

10:13 p.m. Carson on immigration: "Read my immigration policy [on my website] because it actually makes sense."

10:12 p.m. Kasich explains he's in favor of sealing the border and installing a guest worker program. He encourages giving people a path to legal status but not to citizenship.

10:10 p.m. "The weakest person on this stage by far on illegal immigration by far is Jeb Bush...He's so weak on illegal immigration it's laughable and everybody knows it." -Trump

10:08 p.m. Bush on how he'd approach immigration reform: "The great majority of people that come to this country come because they have no other choice."

"These are people who are coming to provide for their families and we should show a little more respect." -Bush

10:07 p.m. Rubio to Cruz: "I don't know how he knows what I said on Univision because he doesn't speak Spanish." Cruz then speaks Spanish. 

10:06 p.m. "Marco right now supports citizenship for 12 million people born here illegally...Marco has a long record of amnesty." -Cruz

10:04 p.m. According to Cruz, there are sharp differences on amnesty. He explains he led the fight to defeat the amnesty plan from Rubio and Sen. Chuck Schumer (D-NY).

10:03 p.m. Rubio says he has never supported amnesty. 

10:01 p.m. "I want everyone taken care of, but we have to take care of our people in this country." -Trump

"The wall will be paid for by Mexico. We are not being treated properly."

10:00 p.m. Back for second half of debate. Immigration will be the main focus going forward.

9:55 p.m. Carson brags about his tax plan being based on "fairness for everybody."

Carson adds his goal of eliminating Obamacare: "My main goal is to get rid of Obamacare."

9:53 p.m. "We've got to correct the record. And the fact is we went form an $8 billion hole to a $20 billion surplus." -Kasich

9:52 p.m. Kasich explains how President Ronald Reagan expanded Medicaid five times.

9:51 p.m. Bush says Kasich wants to further Obamacare and has no desire to replace it.

9:50 p.m. According to Kasich, Ohio's credit is strong and is a model for the rest of the states.

9:49 p.m. Rubio wants a child tax credit so families could invest more in their family.

"Family formation is the most important institution in society."

9:47 p.m. Cruz says his tax proposals would add four million jobs.

9:45 p.m. Cruz explains his support for a flat tax and abolishment of the IRS.

9:44 p.m. According to Trump, economy is dying and workers are losing jobs. Trump on his specific plans for social security:

"You have tremendous waste, fraud, and abuse. That, we're taking care of."

9:43 p.m. Question to Trump: Can you deliver all your promises?

Trump: "I'm gonna save social security. I'm gonna bring jobs back from China."

9:39 p.m. Pause for first commercial break.

9:37 p.m. Rubio says President George W. Bush kept America safe. Trump doesn't buy it because of the 9/11 attacks.

"The World Trade Center came down. He kept us safe? That's not safe." -Trump

9:35 p.m. Heated back-and-forth exchange between Bush and Trump.

Bush: "My dad is the greatest man alive in mind. While Donald Trump was building a reality TV show, my dad was building a security apparatus to keep us safe."

Bush: "My mom is the strongest person I know."

Trump: "She should be running."

Kasich: "I'll tell you, this is just crazy."

9:31 p.m. Donald Trump criticizes President George W. Bush for lying about there being weapons of mass destruction in Iraq.

"It took him five days before his people told him what to say and he ultimately said [the war in Iraq] was a mistake."

He says President George Bush made a mistake.

9:27 p.m. Trump attacks Bush: "We've been in the Middle East for 15 years. We haven't won anything."

Trump also criticizes Sen. Lindsey Graham (R-S.C.) for failing at 0 percent in the polls. He then says audience members who are booing him are part of Bush's lobbyist support system.

"I only tell the truth, lobbyists."

9:25 p.m. Bush explains he would increase sanctions on Iran: "We are not going to allow for Iran to do what it's doing which is moving toward a nuclear weapon."

9:23 p.m. Kasich says United States needs to make it clear to Russia that violations will not be tolerated. "The world needs us and now we have the opportunity to form a coalition."

9:21 p.m. Carson jokes he is getting more opportunities for participation than usual.

"Thanks for including me in the debate. Two questions already, this is great."

9:17 p.m. ModeratorJohn Dickerson to Trump:What three questions do you ask to national security advisers on your first day in the Situation Room?

Trump's response: "What we want to do, when we want to do it, and how hard we want to hit."

9:16 p.m. "We are one justice away from a Supreme Court that would undermine the religious liberty of millions of Americans." -Cruz

9:14 p.m. Moderator to Cruz: "I just want to get the facts straight for the audience. I apologize."

9:13 p.m. Bush says he would appoint someone with more judicial experience. "The president has every right to nominate Supreme Court justices."

9:11 p.m. Rubio praises Justice Antonin Scalia's career on the Supreme Court. "The Constitution is not a living and breathing document. It is supposed to be interpreted as it was originally meant."

9:09 p.m. Ben Carson addresses Scalia's death and agrees Obama should not nominate a new justice.

“We should be thinking about how we’re going to get healing in this land.” -Carson

9:07 p.m. Donald Trump says he would delay President Barack Obama from appointing a new Supreme Court justice.

Kasich urges Obama to put country before politics and not move forward in picking a justice: "I really wish the president would think about not nominating somebody."

9:05 p.m. Candidates will have one minute for answers to questions and 30 seconds for responses.

9:03 p.m. Candidates take brief moment of silence for deceased Supreme Court Justice Antonin Scalia. Debate will begin after brief commercial break.

9:02 p.m. Candidates take the stage and are introduced.

8:58 p.m. Candidates are about to take the stage.

GREENVILLE, S.C. — The following is a live blog of the 9 p.m. Republican presidential debate hosted by CBS News. The debate will feature Ohio Gov. John Kasich, former Florida Gov. Jeb Bush, Sen. Ted Cruz (R-Texas), businessman Donald Trump, Sen. Marco Rubio (R-Fla.) and retired neurosurgeon Ben Carson.