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.