Murfreesboro, Tenn. — Embattled GOP presidential candidate Herman Cain took a break from the campaign trail Thursday night to deliver a lecture at Middle Tennessee State University in Murfreesboro. The university emphasized that there would be no discussion of politics or Cain’s candidacy. But Cain’s lecture on business and entrepreneurship soon became very political when Occupy protesters interrupted the event. Approximately 20 minutes into the event, Occupy protesters conducted a “mic check” as Cain discussed his rise through Pillsbury and the Burger King Corporation. A young woman stood up in the middle of the lecture hall shouting “Mic check! Mic...