This time he is. His ship is sinking and he is running out of dry space.
Mueller has two aces in the hole: Sessions and Rosenstein. Mueller’s anti-Trump report due ~July doesn’t mark the end of the witch hunt by any means. It’s just an opportunity to hurt Trump while allowing the never-ending fishing expedition to continue to cripple Trump’s first two years. If Sessions, Rosenstein and Mueller can flip the House in November, they win.