Trump, Carson dominate in SC poll
 
Trump is supported by 37 percent of Republicans in the early-voting state, followed by Carson at 21 percent, the Public Policy Polling (PPP) survey found.
 
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PPP's poll, the results of which were published by South Carolina newspaper The State, found the remaining Republican candidates in single digits.
 
Former Florida Gov. Jeb Bush and Texas Sen. Ted Cruz take 6 percent each in the poll, followed by former businesswoman Carly Fiorina, Ohio Gov. John Kasich and Florida Sen. Marco Rubio at 4 percent each.
 
The poll also found that nearly four of five South Carolina GOP primary voters think home state Sen. Lindsey Graham (R-S.C.) should drop out of the 2016 presidential race. Just 3 percent said they would vote for Graham in the primary.
 
The PPP survey of 764 Republican primary voters was conducted from Sept. 3 to Sept. 6 with a margin of error of 3.6 points, according to the newspaper. 
 
It's another in a string of polls that provide good news for Trump and Carson.
 
Both candidates were similarly atop the GOP field in a recent Monmouth University poll of Iowa, which found the pair neck and neck.