Barron's Lauren Rublin and Nick Jasinski speak with Nuveen chief investment officer Saira Malik about the outlooks for stocks, bonds, and commodities in the U.S. and abroad. Malik oversees Nuveen’s $1.3 trillion in assets under management and manages two portfolios: a $5 billion fund composed of 65 top ideas from Nuveen’s analysts and the $139 billion CREF Stock strategy.