Fri, 01 Apr 2016 15:44:02 GMTBY CHRISTOPHER S. RUGABER AP ECONOMICS WRITERWASHINGTON — U.S. employers shrugged off signs of weak growth and extended their long stretch of steady hiring in March, adding 215,000 jobs. The unemployment rate ticked up — to 5 percent from 4.9 percent in February — but mostly for a good reason:...