Republicans should be relieved Mueller will be special prosecutor

As the Trump presidency enters its fourth month, conservatives are eager for more legislative successes, more nominations and confirmations of judges, the rapid confirmation of a new FBI director and other achievements. Given the charges of collusion and obstruction that have dogged Donald Trump and his administration from before he took his oath of office as president, the appointment of former FBI director Robert Mueller as a special prosecutor to oversee the Justice Department’s inquiry into those charges is a greatly encouraging development. In Mueller, Deputy Attorney General Rod Rosenste...