Today in 1922 A coal mine explosion in Spangler, Pa., kills 79. The mine had been rated gaseous in 1918, but at the insistence of new operators, it was rated as non-gaseous even though miners had been burned by gas on at least four occasions.
• One year after Janus, unions are flush • How to protect the right to organize • Pro women hockey players form a union • States with $15 min. wage laws have doubled • The man who put public-employee unions on the map • House passes bill to help workers with retirement savings • YRC Worldwide, Teamsters enter into five-year contract • Hoffa: Teens driving trucks interstate would jeopardize safety • Economists remain worried about slow-growing middle class
• One year after Janus, unions are 
