Four candidates exit 2016 race, Fiorina fights to debate
Video duration: 6:45Video has closed captioning.
After disappointing finishes in the Iowa caucuses, four presidential candidates left the 2016 race including Republicans Mike Huckabee, Rick Santorum and Rand Paul and Democrat Martin O'Malley. Reid Wilson and Doyle McManus discuss why these candidates struggled to gain traction. Plus, Carly Fiorina is being left off the next Republican debate stage.