The surge of minority women getting jobs has helped push the U.S. workforce across a historic threshold. For the first time, most new hires of prime working age (25 to 54) are people of color, according to a Washington Post analysis of data the Labor Department began collecting in the 1970s. Minority hires overtook white hires last year. Women are predominantly driving this trend, which is so powerful that even many women who weren’t thinking about working — because they were in school, caring for kids or at home for other reasons — are being lured into employment, according to The Post’s analysis