Guide to 2016 Campaign: Mike Huckabee
Mike Huckabee is an ordained preacher and a musician who plays bass.
Guide to 2016 Campaign: Lindsey Graham
Lindsey Graham is a Republican senator from South Carolina and a military veteran.
Guide to 2016 Campaign: Carly Fiorina
Carly Fiorina is the only Republican woman so far running for president.
Guide to 2016 Campaign: Ted Cruz
Ted Cruz is a senator from Texas.
Guide to 2016 Campaign: Chris Christie
The Republican governor of New Jersey also wants to be president.
Guide to 2016 Campaign: Ben Carson
Dr. Ben Carson is the former head of pediatric neurosurgery at Johns Hopkins University in Baltimore, Maryland.
Guide to 2016 Campaign: Jeb Bush
Jeb Bush is the former governor of Florida.