Carson elaborates on goals for U.S. healthcare
03:50Ben Carson follows up with MSNBC's Chris Matthews after the GOP debate in Houston, TX for the candidate's views on the U.S. healthcare system and how they compare to Bernie Sanders'.
Ben Carson follows up with MSNBC's Chris Matthews after the GOP debate in Houston, TX for the candidate's views on the U.S. healthcare system and how they compare to Bernie Sanders'.
