(Bloomberg) -- Host June Grasso 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 conversation about the relationship between President Obama and Janet Yellen, a look at the yen's rally with Eisuke 'Mr. Yen' Sakakibara, and why the SpaceX Falcon 9 rocket is so historic.