@MittRomney: Ann and I are deeply saddened by the passing of @AndrewBreitbart: brilliant entrepreneur, fearless conservative, loving husband and father.
@johnboehner: Saddened to learn of the sudden death of @AndrewBreitbart. My thoughts and prayers are with his family
@JohnKasich: Rest in peace, Andrew Breitbart. An agent for real change, he will be missed.