When the biggest companies prepare to announce mergers and acquisitions, they frequently hire specialized public relations firms. Steve Lipin, who heads the M&A practice at Brunswick Group, talks about what happens when M&A stories leak, how he handles anxious clients and how he helps companies such as Anheuser-Busch, Pfizer and Pepsi explain to both investors and reporters why they're buying and selling businesses. Plus, Bloomberg media reporter Gerry Smith tells us why Univision, known for its Spanish-language television, is buying a large stake in The Onion, the satirical news group. Deal of the Week host Alex Sherman and Smith also share their favorite Onion headlines.