John Silvia, Wells Fargo Securities Chief Economist, forecasts a .2-.3% change in potential GDP. Golnar Motevalli, Bloomberg Reporter in Tehran, provides an update on U.S.-Iran relations during Bloomberg Surveillance on Bloomberg TV. Tom Michaud, KBW Inc. CEO, thinks bank mergers are a slower and more deliberate process than before the economic crisis. And Ken Langone, Author "I Love Capitalism" & Home Depot Co-Founder, offers his take on Jeff Bezos and Amazon.