Why US businesses are opining on a Supreme Court case about contraception

On May 6, the US Supreme Court will hear arguments in two cases about the Trump administration’s expansion of the “conscience” exemptions to contraception coverage under the Affordable Care Act (ACA). The changes allow institutions providing health insurance to avoid paying for birth control, for religious or moral reasons, without notice.

A nationwide injunction has blocked implementation of the changes so far. Now the justices are faced with three very technical legal que...