Article snippet: Behind the square jaw, deadeye stare and Marine Corps growl, former special counsel Robert Mueller III does have a soft spot when it comes to answering tough questions in congressional hearings. On Wednesday, when he delivers long-awaited testimony about his investigation into President Trump and Russian interference in the 2016 election, Democrats are hoping to coax from him the kind of dramatic moments that could galvanize public opinion against the president. Republicans, meanwhile, are eager to elicit testimony that shows the investigation was biased from its inception. Those who know him best are skeptical he will meet either side’s expectations. ‘‘For anybody hoping he’s going to provide new information or evidence against the president, I think many people will be very disappointed,’’ said John Pistole, who served as Mueller’s deputy for years when he was FBI director. ‘‘And then on the other side of the aisle, some may be disappointed to find out that he’s not a demagogue of the left.’’ Mueller is set to appear before the House Judiciary Committee for three hours, a hearing that aims to focus on the question of whether the president obstructed justice. Mueller will also spend two hours before the House Intelligence Committee answering questions about Russia’s election interference. The back-to-back hearings will probably be the last public word from the special prosecutor, whose two-year tenure was marked by long silences and fevered speculation about hi... Link to the full article to read more