Muellers inaction over Trump has let the US down. Why is he holding back? | Simon Tisdall

His reluctance to indict the president has only deepened the mystery he was hired to solve, says foreign affairs commentator Simon Tisdall Robert Mueller has a reputation as a straight-shooting, play-it-by-the-book sort of guy. That changed this week. The special counsels stated justifications for not accusing Donald Trump of obstruction of justice appear convoluted and legally dubious. Mueller was a man hired to solve a mystery. His odd decision to take refuge in questionable precedents, and thereby effectively duck the issue, has only compounded it. His two-year investigation was admirable in many ways. Unlike similar exercises in the past, such as Kenneth Starrs 1990s inquiry into Bill Clinton, he kept his counsel, did not leak to the media, and completed …