WASHINGTON —Union membership in the U.S. rose by 162,000 in 2013, to 14.528 million, the Bureau of Labor Statistics calculated, but the union share of the nation’s workers stayed unchanged at 11.3%.             African-Americans were more unionized than whites or Hispanics, and the oldest workers – aged 45-64 – were more unionized (14.5%) than other age groups, BLS said.  Almost eight million […]