Video: GOP candidates weigh in the vaccination debate

The Republican presidential candidates discussed the safety and effectiveness of vaccines during Wednesday’s debate. Dr. Ben Carson Donald Trump and Sen. Rand Paul (R-Ky.) found some common ground on the issue.
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The Republican presidential candidates discussed the safety and effectiveness of vaccines during Wednesday’s debate. Dr. Ben Carson Donald Trump and Sen. Rand Paul (R-Ky.) found some common ground on the issue.