Private wealth management is one of the few areas in which banks are adding staff. Goldman Sachs says it hires half of its "relationship managers" fresh out of college. The Wall Street Journal's Wei Gu talks about the qualities needed for the job. Subscribe to the WSJ channel here: http://bit.ly/14Q81Xy Visit the WSJ channel for more video: https://www.youtube.com/wsjdigitalnetwork More from the Wall...