(Bloomberg) --Host Ed Baxter features the best stories of the day from Bloomberg Radio, Bloomberg Television, and over 150 Bloomberg News bureaus around the world on Bloomberg Radio's Bloomberg Best. Some highlights include a look at Valeant after the stock plummeted in early trading, an interview with General Motors CEO Mary Barra, and a special look at the media and telecom space with BTIG analysts Richard Greenfield and Walter Piecyk.