Few Americans care about beryllium. Most have probably neverheard of it.

But, it turns out, the metal — symbol Be on the periodictable — offers a case study on governing by President Donald Trump.With little fanfare earlier this year, the Department of Labordelayed and the White House began a review of limits on workplaceexposure to the possibly toxic element used in cell phones andaircraft, handing industry a victory.

Across Washington, myriad rules are similarly being softened,mostly to the delight of corporate America. With executive orders,bureaucratic actions and unprecedented use of an obscure statute,the Trump administration has killed or postponed dozens ofregulations. The controversies swamping the White House haven'tgotten in the way of an often under-the-radar, piece-by-piecerealization of Trump's pro-business campaign promises.