Ben Carson

Ben Carson has placed first in a recent national Republican presidential primary poll, pushing Donald Trump into second place for the first time since June. 

Carson, a retired neurosurgeon, received 26 percent of the support in the New York Times/ CBS News poll released on Oct. 27 morning. 

Republican presidential hopeful Ben Carson said on Sept.20 no Muslim should be president of the United States, adding a new twist to a controversy roiling the party's White House nominating race.

Billionaire Donald Trump has extended his lead over the Republican presidential field, while Democratic overall frontrunner Hillary Clinton now trails underdog Bernie Sanders in the key early voting state of Iowa, polls showed on Sept.10. 

Bombastic real-estate mogul Donald Trump has extended his lead in the 2016 Republican nomination race, beating establishment candidates and anti-Washington renegades alike as he topped a new poll released Aug. 18.