LUDINGTON — A Michigan National Guard soldier who assaulted a Mason County sheriff’s deputy pleaded guilty today in 51st Circuit Court. Eric Michael Klopp, 33, 1235 Sumac St., Fruitport, was charged with resisting and assaulting Dep. Ed Rasmussen, a corrections officer at the Mason County Jail, following a Nov. 20, 2013 drunk driving arrest. Klopp told the court he was…