The Importance of Tim Scott in the Primary

Ron DeSantis announced he will run for president in Florida. The announcement was seven or eight months in the making, says CNN's John Avlon. He said Tim Scott is a candidate who has not been "the sort of show horse," as Donald Trump and Nikki Haley are.Avlon: It's all about style, execution, who you believe can do the job; rollout important to framing campaign.