(Bloomberg) -- A discussion of the day's Bloomberg BRIEF. You can read analysis and other news, market data and expert commentary from the world's most trusted economists and analysts in the Bloomberg BRIEF digital newsletters. Subscribe through bloombergbriefs.com or the Bloomberg Terminal function {BRIEF}. \u0010 \u0010GUEST: \u0010Yelena Shulyatyeva \u0010Senior US Economist \u0010Bloomberg Intelligence \u0010On Economic data, unusual weakness in 1Q, and implications for the Fed.