MS NOW

2016 wild card Dr. Ben Carson takes the stage

Why Dr. Ben Carson delights the base and worries the party.

US conservative Ben Carson addresses the annual Conservative Political Action Conference (CPAC) at National Harbor, Maryland, outside Washington, DC on Feb. 26, 2015. (Photo by Nicholas Kamm/AFP/Getty)
US conservative Ben Carson addresses the annual Conservative Political Action Conference (CPAC) at National Harbor, Maryland, outside Washington, DC on Feb. 26, 2015.AFP/Getty Images

Jane Timm