In July 2017 one of our nation’s preëminent if perhaps somewhat self-delightedly parochial magazines foisted upon the world this headline: DONALD TRUMP, JR.,’S LOVE FOR RUSSIAN DIRT The writer Michael Colton, in an aghast tweet, identified this particular method of rendering a possessive “period-comma-apostrophe bullshit,” which may not be the precise technical term for it but which does just fine anyway.