Kurt Simon, JPMorgan's global head of M&A, spends his days chatting with bosses of the world's biggest companies, fighting off corporate raiders like Carl Icahn and striking deals with the help of colleagues including Jamie Dimon. Simon shares his tales of a career that began during the Liars Poker era at Salomon Brothers on this episode of ``Deal of the Week.'' Plus, Bloomberg reporter Sarah Frier explains to host Alex Sherman why there seems to be a new rumor about Twitter getting sold each and every week.