Carson, Fiorina, Huckabee double GOP's 2016 field

In the last 30-odd hours, the 2016 GOP presidential primary field has doubled. Joining fellow candidates Ted Cruz, Rand Paul, and Marco Rubio are newly-official contenders Ben Carson, Carly Fiorina, and Mike Huckabee.

First to announce yesterday was Carly Fiorina. Fiorina is a former CEO of Hewlett-Packard, and was the GOP nominee for U.S. Senate in California in 2010.



Later yesterday morning, Ben Carson held his announcement event in Detroit. Carson is a retired pediatric neurosurgeon who was well-known for his groundbreaking medical career.



This morning, Mike Huckabee joined the race. A former Baptist pastor, Huckabee served as Governor of Arkansas for ten years, and ran for President in 2008.