The days of Americans getting health insurance through their employers may be numbered — and the change could be just as profound as the shift of employers forcing employees to manage their own retirement savings. As the Affordable Care Act goes from thousands of pages of legalese to actual, real-life public policy, the future of employer-provided health insurance is one of the most fascinating questions. Will employers call for — and their workers accept — the practice of buying health insurance through government exchanges? How much will companies save, and will they pass those savings on to employees?