Tommy Lee Jones at his ranch in San Saba, Texas, Oct. 19, 2026. The private actor enjoys life with his horses in the Texas Hill Country, removed from the show-business fray — but he’s back on TV for the first time in decades, in “The Lowdown.” (Christopher Lee/The New York Times) By SASHA OLDERSHAUSEN Tommy Lee Jones has a pig problem. Feral hogs have been digging up his yard in their frenzied quest for grubs, rendering the lawn a patchwork of grass and dirt. Jones, never much a proponent of…