Scott Walker, the Republican governor of Wisconsin, is calling for a member of the Republican National Committee to step down from his post. A Michigan newspaper, the Morning Sun, is reporting that Walker, a likely 2016 presidential contender, has said Michigan committeeman Dave Agema should resign. “Dave Agema’s abhorrent comments have no place in our party,” said Walker, per the paper. “I join Chairman Priebus and others in calling on him to resign.” Agema, a former member of the Michigan House, has been a headache to national Republicans for years. He’s posted material on social media saying that Muslims don’t...