While he held the job of President Barack Obama’s peace process envoy, former US Senator George Mitchell generally maintained a good reputation. He came into the job with high regard because of his role in Northern Ireland. During his Middle East tenure, Mitchell was notoriously tight-lipped, allowing people to believe that behind the stony face was a tough and fair “honest broker” who would privately take Israel to task in ways that the US could not do publicly. Read more about Former Obama envoy George Mitchell comes out as 'Israel's lawyer'