How Mueller became political

Mueller had near-universal support when he was selected as special counsel. Photo: Alex Wong / Getty

The rising partisan atmosphere around Bob Mueller's investigation is a sharp departure from the near-universal support that greeted his selection as special counsel in May — and threatens to shadow his investigation's eventual findings, the WashPost writes in its lead story.

Why it matters: "Among current and former law enforcement officials, the public attacks on the FBI are seen as an indirect way of trying to discredit Mueller and blunt future findings he may issue."