U.S. President Donald Trump spent a Saturday afternoon, like many other Americans on a late summer day: venting about setbacks to a backyard landscaping project.

How had a gash, some 75 feet long, appeared in the limestone newly installed in his renovated Rose Garden?

Aides pulled surveillance footage and found the problem. A subcontractor lugging a large bush on a broken and wobbly steel cart was to blame. Presidential yelling ensued. The yardworker’s boss was summoned, the workers publicly chewed out, the contractor barred from working at the White House again.